diff options
Diffstat (limited to 'kernel/drivers/staging/lustre/lustre/llite/lproc_llite.c')
| -rw-r--r-- | kernel/drivers/staging/lustre/lustre/llite/lproc_llite.c | 749 |
1 files changed, 360 insertions, 389 deletions
diff --git a/kernel/drivers/staging/lustre/lustre/llite/lproc_llite.c b/kernel/drivers/staging/lustre/lustre/llite/lproc_llite.c index 83a9b8547..190fc4411 100644 --- a/kernel/drivers/staging/lustre/lustre/llite/lproc_llite.c +++ b/kernel/drivers/staging/lustre/lustre/llite/lproc_llite.c @@ -48,31 +48,33 @@ static struct file_operations ll_rw_extents_stats_fops; static struct file_operations ll_rw_extents_stats_pp_fops; static struct file_operations ll_rw_offset_stats_fops; -static int ll_blksize_seq_show(struct seq_file *m, void *v) +static ssize_t blocksize_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct super_block *sb = (struct super_block *)m->private; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); struct obd_statfs osfs; int rc; - LASSERT(sb != NULL); - rc = ll_statfs_internal(sb, &osfs, + rc = ll_statfs_internal(sbi->ll_sb, &osfs, cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), OBD_STATFS_NODELAY); if (!rc) - seq_printf(m, "%u\n", osfs.os_bsize); + return sprintf(buf, "%u\n", osfs.os_bsize); return rc; } -LPROC_SEQ_FOPS_RO(ll_blksize); +LUSTRE_RO_ATTR(blocksize); -static int ll_kbytestotal_seq_show(struct seq_file *m, void *v) +static ssize_t kbytestotal_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct super_block *sb = (struct super_block *)m->private; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); struct obd_statfs osfs; int rc; - LASSERT(sb != NULL); - rc = ll_statfs_internal(sb, &osfs, + rc = ll_statfs_internal(sbi->ll_sb, &osfs, cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), OBD_STATFS_NODELAY); if (!rc) { @@ -82,21 +84,22 @@ static int ll_kbytestotal_seq_show(struct seq_file *m, void *v) while (blk_size >>= 1) result <<= 1; - seq_printf(m, "%llu\n", result); + rc = sprintf(buf, "%llu\n", result); } return rc; } -LPROC_SEQ_FOPS_RO(ll_kbytestotal); +LUSTRE_RO_ATTR(kbytestotal); -static int ll_kbytesfree_seq_show(struct seq_file *m, void *v) +static ssize_t kbytesfree_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct super_block *sb = (struct super_block *)m->private; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); struct obd_statfs osfs; int rc; - LASSERT(sb != NULL); - rc = ll_statfs_internal(sb, &osfs, + rc = ll_statfs_internal(sbi->ll_sb, &osfs, cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), OBD_STATFS_NODELAY); if (!rc) { @@ -106,21 +109,22 @@ static int ll_kbytesfree_seq_show(struct seq_file *m, void *v) while (blk_size >>= 1) result <<= 1; - seq_printf(m, "%llu\n", result); + rc = sprintf(buf, "%llu\n", result); } return rc; } -LPROC_SEQ_FOPS_RO(ll_kbytesfree); +LUSTRE_RO_ATTR(kbytesfree); -static int ll_kbytesavail_seq_show(struct seq_file *m, void *v) +static ssize_t kbytesavail_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct super_block *sb = (struct super_block *)m->private; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); struct obd_statfs osfs; int rc; - LASSERT(sb != NULL); - rc = ll_statfs_internal(sb, &osfs, + rc = ll_statfs_internal(sbi->ll_sb, &osfs, cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), OBD_STATFS_NODELAY); if (!rc) { @@ -130,81 +134,79 @@ static int ll_kbytesavail_seq_show(struct seq_file *m, void *v) while (blk_size >>= 1) result <<= 1; - seq_printf(m, "%llu\n", result); + rc = sprintf(buf, "%llu\n", result); } return rc; } -LPROC_SEQ_FOPS_RO(ll_kbytesavail); +LUSTRE_RO_ATTR(kbytesavail); -static int ll_filestotal_seq_show(struct seq_file *m, void *v) +static ssize_t filestotal_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct super_block *sb = (struct super_block *)m->private; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); struct obd_statfs osfs; int rc; - LASSERT(sb != NULL); - rc = ll_statfs_internal(sb, &osfs, + rc = ll_statfs_internal(sbi->ll_sb, &osfs, cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), OBD_STATFS_NODELAY); if (!rc) - seq_printf(m, "%llu\n", osfs.os_files); + return sprintf(buf, "%llu\n", osfs.os_files); return rc; } -LPROC_SEQ_FOPS_RO(ll_filestotal); +LUSTRE_RO_ATTR(filestotal); -static int ll_filesfree_seq_show(struct seq_file *m, void *v) +static ssize_t filesfree_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct super_block *sb = (struct super_block *)m->private; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); struct obd_statfs osfs; int rc; - LASSERT(sb != NULL); - rc = ll_statfs_internal(sb, &osfs, + rc = ll_statfs_internal(sbi->ll_sb, &osfs, cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), OBD_STATFS_NODELAY); if (!rc) - seq_printf(m, "%llu\n", osfs.os_ffree); + return sprintf(buf, "%llu\n", osfs.os_ffree); return rc; } -LPROC_SEQ_FOPS_RO(ll_filesfree); +LUSTRE_RO_ATTR(filesfree); -static int ll_client_type_seq_show(struct seq_file *m, void *v) +static ssize_t client_type_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct ll_sb_info *sbi = ll_s2sbi((struct super_block *)m->private); + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); - LASSERT(sbi != NULL); - - if (sbi->ll_flags & LL_SBI_RMT_CLIENT) - seq_puts(m, "remote client\n"); - else - seq_puts(m, "local client\n"); - - return 0; + return sprintf(buf, "%s client\n", + sbi->ll_flags & LL_SBI_RMT_CLIENT ? "remote" : "local"); } -LPROC_SEQ_FOPS_RO(ll_client_type); +LUSTRE_RO_ATTR(client_type); -static int ll_fstype_seq_show(struct seq_file *m, void *v) +static ssize_t fstype_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct super_block *sb = (struct super_block *)m->private; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); - LASSERT(sb != NULL); - seq_printf(m, "%s\n", sb->s_type->name); - return 0; + return sprintf(buf, "%s\n", sbi->ll_sb->s_type->name); } -LPROC_SEQ_FOPS_RO(ll_fstype); +LUSTRE_RO_ATTR(fstype); -static int ll_sb_uuid_seq_show(struct seq_file *m, void *v) +static ssize_t uuid_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct super_block *sb = (struct super_block *)m->private; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); - LASSERT(sb != NULL); - seq_printf(m, "%s\n", ll_s2sbi(sb)->ll_sb_uuid.uuid); - return 0; + return sprintf(buf, "%s\n", sbi->ll_sb_uuid.uuid); } -LPROC_SEQ_FOPS_RO(ll_sb_uuid); +LUSTRE_RO_ATTR(uuid); static int ll_site_stats_seq_show(struct seq_file *m, void *v) { @@ -216,12 +218,14 @@ static int ll_site_stats_seq_show(struct seq_file *m, void *v) */ return cl_site_stats_print(lu2cl_site(ll_s2sbi(sb)->ll_site), m); } + LPROC_SEQ_FOPS_RO(ll_site_stats); -static int ll_max_readahead_mb_seq_show(struct seq_file *m, void *v) +static ssize_t max_read_ahead_mb_show(struct kobject *kobj, + struct attribute *attr, char *buf) { - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); long pages_number; int mult; @@ -230,23 +234,27 @@ static int ll_max_readahead_mb_seq_show(struct seq_file *m, void *v) spin_unlock(&sbi->ll_lock); mult = 1 << (20 - PAGE_CACHE_SHIFT); - return lprocfs_seq_read_frac_helper(m, pages_number, mult); + return lprocfs_read_frac_helper(buf, PAGE_SIZE, pages_number, mult); } -static ssize_t ll_max_readahead_mb_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t max_read_ahead_mb_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct super_block *sb = ((struct seq_file *)file->private_data)->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); - int mult, rc, pages_number; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + int rc; + unsigned long pages_number; - mult = 1 << (20 - PAGE_CACHE_SHIFT); - rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult); + rc = kstrtoul(buffer, 10, &pages_number); if (rc) return rc; - if (pages_number < 0 || pages_number > totalram_pages / 2) { + pages_number *= 1 << (20 - PAGE_CACHE_SHIFT); /* MB -> pages */ + + if (pages_number > totalram_pages / 2) { + CERROR("can't set file readahead more than %lu MB\n", totalram_pages >> (20 - PAGE_CACHE_SHIFT + 1)); /*1/2 of RAM*/ return -ERANGE; @@ -258,12 +266,14 @@ static ssize_t ll_max_readahead_mb_seq_write(struct file *file, return count; } -LPROC_SEQ_FOPS(ll_max_readahead_mb); +LUSTRE_RW_ATTR(max_read_ahead_mb); -static int ll_max_readahead_per_file_mb_seq_show(struct seq_file *m, void *v) +static ssize_t max_read_ahead_per_file_mb_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); long pages_number; int mult; @@ -272,24 +282,24 @@ static int ll_max_readahead_per_file_mb_seq_show(struct seq_file *m, void *v) spin_unlock(&sbi->ll_lock); mult = 1 << (20 - PAGE_CACHE_SHIFT); - return lprocfs_seq_read_frac_helper(m, pages_number, mult); + return lprocfs_read_frac_helper(buf, PAGE_SIZE, pages_number, mult); } -static ssize_t ll_max_readahead_per_file_mb_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t max_read_ahead_per_file_mb_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct super_block *sb = ((struct seq_file *)file->private_data)->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); - int mult, rc, pages_number; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + int rc; + unsigned long pages_number; - mult = 1 << (20 - PAGE_CACHE_SHIFT); - rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult); + rc = kstrtoul(buffer, 10, &pages_number); if (rc) return rc; - if (pages_number < 0 || - pages_number > sbi->ll_ra_info.ra_max_pages) { + if (pages_number > sbi->ll_ra_info.ra_max_pages) { CERROR("can't set file readahead more than max_read_ahead_mb %lu MB\n", sbi->ll_ra_info.ra_max_pages); return -ERANGE; @@ -301,12 +311,14 @@ static ssize_t ll_max_readahead_per_file_mb_seq_write(struct file *file, return count; } -LPROC_SEQ_FOPS(ll_max_readahead_per_file_mb); +LUSTRE_RW_ATTR(max_read_ahead_per_file_mb); -static int ll_max_read_ahead_whole_mb_seq_show(struct seq_file *m, void *unused) +static ssize_t max_read_ahead_whole_mb_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); long pages_number; int mult; @@ -315,26 +327,26 @@ static int ll_max_read_ahead_whole_mb_seq_show(struct seq_file *m, void *unused) spin_unlock(&sbi->ll_lock); mult = 1 << (20 - PAGE_CACHE_SHIFT); - return lprocfs_seq_read_frac_helper(m, pages_number, mult); + return lprocfs_read_frac_helper(buf, PAGE_SIZE, pages_number, mult); } -static ssize_t ll_max_read_ahead_whole_mb_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t max_read_ahead_whole_mb_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct super_block *sb = ((struct seq_file *)file->private_data)->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); - int mult, rc, pages_number; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + int rc; + unsigned long pages_number; - mult = 1 << (20 - PAGE_CACHE_SHIFT); - rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult); + rc = kstrtoul(buffer, 10, &pages_number); if (rc) return rc; /* Cap this at the current max readahead window size, the readahead * algorithm does this anyway so it's pointless to set it larger. */ - if (pages_number < 0 || - pages_number > sbi->ll_ra_info.ra_max_pages_per_file) { + if (pages_number > sbi->ll_ra_info.ra_max_pages_per_file) { CERROR("can't set max_read_ahead_whole_mb more than max_read_ahead_per_file_mb: %lu\n", sbi->ll_ra_info.ra_max_pages_per_file >> (20 - PAGE_CACHE_SHIFT)); return -ERANGE; @@ -346,7 +358,7 @@ static ssize_t ll_max_read_ahead_whole_mb_seq_write(struct file *file, return count; } -LPROC_SEQ_FOPS(ll_max_read_ahead_whole_mb); +LUSTRE_RW_ATTR(max_read_ahead_whole_mb); static int ll_max_cached_mb_seq_show(struct seq_file *m, void *v) { @@ -467,30 +479,33 @@ out: } return rc; } + LPROC_SEQ_FOPS(ll_max_cached_mb); -static int ll_checksum_seq_show(struct seq_file *m, void *v) +static ssize_t checksum_pages_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); - seq_printf(m, "%u\n", (sbi->ll_flags & LL_SBI_CHECKSUM) ? 1 : 0); - return 0; + return sprintf(buf, "%u\n", (sbi->ll_flags & LL_SBI_CHECKSUM) ? 1 : 0); } -static ssize_t ll_checksum_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t checksum_pages_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct super_block *sb = ((struct seq_file *)file->private_data)->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); - int val, rc; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + int rc; + unsigned long val; if (!sbi->ll_dt_exp) /* Not set up yet */ return -EAGAIN; - rc = lprocfs_write_helper(buffer, count, &val); + rc = kstrtoul(buffer, 10, &val); if (rc) return rc; if (val) @@ -505,154 +520,146 @@ static ssize_t ll_checksum_seq_write(struct file *file, return count; } -LPROC_SEQ_FOPS(ll_checksum); - -static int ll_max_rw_chunk_seq_show(struct seq_file *m, void *v) -{ - struct super_block *sb = m->private; - - seq_printf(m, "%lu\n", ll_s2sbi(sb)->ll_max_rw_chunk); - return 0; -} +LUSTRE_RW_ATTR(checksum_pages); -static ssize_t ll_max_rw_chunk_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t ll_rd_track_id(struct kobject *kobj, char *buf, + enum stats_track_type type) { - struct super_block *sb = ((struct seq_file *)file->private_data)->private; - int rc, val; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); - rc = lprocfs_write_helper(buffer, count, &val); - if (rc) - return rc; - ll_s2sbi(sb)->ll_max_rw_chunk = val; - return count; -} -LPROC_SEQ_FOPS(ll_max_rw_chunk); - -static int ll_rd_track_id(struct seq_file *m, enum stats_track_type type) -{ - struct super_block *sb = m->private; - - if (ll_s2sbi(sb)->ll_stats_track_type == type) - seq_printf(m, "%d\n", ll_s2sbi(sb)->ll_stats_track_id); - else if (ll_s2sbi(sb)->ll_stats_track_type == STATS_TRACK_ALL) - seq_puts(m, "0 (all)\n"); + if (sbi->ll_stats_track_type == type) + return sprintf(buf, "%d\n", sbi->ll_stats_track_id); + else if (sbi->ll_stats_track_type == STATS_TRACK_ALL) + return sprintf(buf, "0 (all)\n"); else - seq_puts(m, "untracked\n"); - - return 0; + return sprintf(buf, "untracked\n"); } -static int ll_wr_track_id(const char __user *buffer, unsigned long count, - void *data, enum stats_track_type type) +static ssize_t ll_wr_track_id(struct kobject *kobj, const char *buffer, + size_t count, + enum stats_track_type type) { - struct super_block *sb = data; - int rc, pid; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + int rc; + unsigned long pid; - rc = lprocfs_write_helper(buffer, count, &pid); + rc = kstrtoul(buffer, 10, &pid); if (rc) return rc; - ll_s2sbi(sb)->ll_stats_track_id = pid; + sbi->ll_stats_track_id = pid; if (pid == 0) - ll_s2sbi(sb)->ll_stats_track_type = STATS_TRACK_ALL; + sbi->ll_stats_track_type = STATS_TRACK_ALL; else - ll_s2sbi(sb)->ll_stats_track_type = type; - lprocfs_clear_stats(ll_s2sbi(sb)->ll_stats); + sbi->ll_stats_track_type = type; + lprocfs_clear_stats(sbi->ll_stats); return count; } -static int ll_track_pid_seq_show(struct seq_file *m, void *v) +static ssize_t stats_track_pid_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - return ll_rd_track_id(m, STATS_TRACK_PID); + return ll_rd_track_id(kobj, buf, STATS_TRACK_PID); } -static ssize_t ll_track_pid_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t stats_track_pid_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct seq_file *seq = file->private_data; - return ll_wr_track_id(buffer, count, seq->private, STATS_TRACK_PID); + return ll_wr_track_id(kobj, buffer, count, STATS_TRACK_PID); } -LPROC_SEQ_FOPS(ll_track_pid); +LUSTRE_RW_ATTR(stats_track_pid); -static int ll_track_ppid_seq_show(struct seq_file *m, void *v) +static ssize_t stats_track_ppid_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - return ll_rd_track_id(m, STATS_TRACK_PPID); + return ll_rd_track_id(kobj, buf, STATS_TRACK_PPID); } -static ssize_t ll_track_ppid_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t stats_track_ppid_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct seq_file *seq = file->private_data; - return ll_wr_track_id(buffer, count, seq->private, STATS_TRACK_PPID); + return ll_wr_track_id(kobj, buffer, count, STATS_TRACK_PPID); } -LPROC_SEQ_FOPS(ll_track_ppid); +LUSTRE_RW_ATTR(stats_track_ppid); -static int ll_track_gid_seq_show(struct seq_file *m, void *v) +static ssize_t stats_track_gid_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - return ll_rd_track_id(m, STATS_TRACK_GID); + return ll_rd_track_id(kobj, buf, STATS_TRACK_GID); } -static ssize_t ll_track_gid_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t stats_track_gid_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct seq_file *seq = file->private_data; - return ll_wr_track_id(buffer, count, seq->private, STATS_TRACK_GID); + return ll_wr_track_id(kobj, buffer, count, STATS_TRACK_GID); } -LPROC_SEQ_FOPS(ll_track_gid); +LUSTRE_RW_ATTR(stats_track_gid); -static int ll_statahead_max_seq_show(struct seq_file *m, void *v) +static ssize_t statahead_max_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); - seq_printf(m, "%u\n", sbi->ll_sa_max); - return 0; + return sprintf(buf, "%u\n", sbi->ll_sa_max); } -static ssize_t ll_statahead_max_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t statahead_max_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct super_block *sb = ((struct seq_file *)file->private_data)->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); - int val, rc; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + int rc; + unsigned long val; - rc = lprocfs_write_helper(buffer, count, &val); + rc = kstrtoul(buffer, 10, &val); if (rc) return rc; - if (val >= 0 && val <= LL_SA_RPC_MAX) + if (val <= LL_SA_RPC_MAX) sbi->ll_sa_max = val; else - CERROR("Bad statahead_max value %d. Valid values are in the range [0, %d]\n", + CERROR("Bad statahead_max value %lu. Valid values are in the range [0, %d]\n", val, LL_SA_RPC_MAX); return count; } -LPROC_SEQ_FOPS(ll_statahead_max); +LUSTRE_RW_ATTR(statahead_max); -static int ll_statahead_agl_seq_show(struct seq_file *m, void *v) +static ssize_t statahead_agl_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); - seq_printf(m, "%u\n", sbi->ll_flags & LL_SBI_AGL_ENABLED ? 1 : 0); - return 0; + return sprintf(buf, "%u\n", sbi->ll_flags & LL_SBI_AGL_ENABLED ? 1 : 0); } -static ssize_t ll_statahead_agl_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t statahead_agl_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct super_block *sb = ((struct seq_file *)file->private_data)->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); - int val, rc; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + int rc; + unsigned long val; - rc = lprocfs_write_helper(buffer, count, &val); + rc = kstrtoul(buffer, 10, &val); if (rc) return rc; @@ -663,7 +670,7 @@ static ssize_t ll_statahead_agl_seq_write(struct file *file, return count; } -LPROC_SEQ_FOPS(ll_statahead_agl); +LUSTRE_RW_ATTR(statahead_agl); static int ll_statahead_stats_seq_show(struct seq_file *m, void *v) { @@ -679,26 +686,30 @@ static int ll_statahead_stats_seq_show(struct seq_file *m, void *v) atomic_read(&sbi->ll_agl_total)); return 0; } + LPROC_SEQ_FOPS_RO(ll_statahead_stats); -static int ll_lazystatfs_seq_show(struct seq_file *m, void *v) +static ssize_t lazystatfs_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); - seq_printf(m, "%u\n", sbi->ll_flags & LL_SBI_LAZYSTATFS ? 1 : 0); - return 0; + return sprintf(buf, "%u\n", sbi->ll_flags & LL_SBI_LAZYSTATFS ? 1 : 0); } -static ssize_t ll_lazystatfs_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t lazystatfs_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct super_block *sb = ((struct seq_file *)file->private_data)->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); - int val, rc; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + int rc; + unsigned long val; - rc = lprocfs_write_helper(buffer, count, &val); + rc = kstrtoul(buffer, 10, &val); if (rc) return rc; @@ -709,12 +720,14 @@ static ssize_t ll_lazystatfs_seq_write(struct file *file, return count; } -LPROC_SEQ_FOPS(ll_lazystatfs); +LUSTRE_RW_ATTR(lazystatfs); -static int ll_max_easize_seq_show(struct seq_file *m, void *v) +static ssize_t max_easize_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); unsigned int ealen; int rc; @@ -722,15 +735,16 @@ static int ll_max_easize_seq_show(struct seq_file *m, void *v) if (rc) return rc; - seq_printf(m, "%u\n", ealen); - return 0; + return sprintf(buf, "%u\n", ealen); } -LPROC_SEQ_FOPS_RO(ll_max_easize); +LUSTRE_RO_ATTR(max_easize); -static int ll_default_easize_seq_show(struct seq_file *m, void *v) +static ssize_t default_easize_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); unsigned int ealen; int rc; @@ -738,42 +752,9 @@ static int ll_default_easize_seq_show(struct seq_file *m, void *v) if (rc) return rc; - seq_printf(m, "%u\n", ealen); - return 0; -} -LPROC_SEQ_FOPS_RO(ll_default_easize); - -static int ll_max_cookiesize_seq_show(struct seq_file *m, void *v) -{ - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); - unsigned int cookielen; - int rc; - - rc = ll_get_max_cookiesize(sbi, &cookielen); - if (rc) - return rc; - - seq_printf(m, "%u\n", cookielen); - return 0; + return sprintf(buf, "%u\n", ealen); } -LPROC_SEQ_FOPS_RO(ll_max_cookiesize); - -static int ll_default_cookiesize_seq_show(struct seq_file *m, void *v) -{ - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); - unsigned int cookielen; - int rc; - - rc = ll_get_default_cookiesize(sbi, &cookielen); - if (rc) - return rc; - - seq_printf(m, "%u\n", cookielen); - return 0; -} -LPROC_SEQ_FOPS_RO(ll_default_cookiesize); +LUSTRE_RO_ATTR(default_easize); static int ll_sbi_flags_seq_show(struct seq_file *m, void *v) { @@ -797,28 +778,30 @@ static int ll_sbi_flags_seq_show(struct seq_file *m, void *v) seq_printf(m, "\b\n"); return 0; } + LPROC_SEQ_FOPS_RO(ll_sbi_flags); -static int ll_xattr_cache_seq_show(struct seq_file *m, void *v) +static ssize_t xattr_cache_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - struct super_block *sb = m->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); - - seq_printf(m, "%u\n", sbi->ll_xattr_cache_enabled); + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); - return 0; + return sprintf(buf, "%u\n", sbi->ll_xattr_cache_enabled); } -static ssize_t ll_xattr_cache_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t xattr_cache_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct seq_file *seq = file->private_data; - struct super_block *sb = seq->private; - struct ll_sb_info *sbi = ll_s2sbi(sb); - int val, rc; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + int rc; + unsigned long val; - rc = lprocfs_write_helper(buffer, count, &val); + rc = kstrtoul(buffer, 10, &val); if (rc) return rc; @@ -832,46 +815,59 @@ static ssize_t ll_xattr_cache_seq_write(struct file *file, return count; } -LPROC_SEQ_FOPS(ll_xattr_cache); +LUSTRE_RW_ATTR(xattr_cache); static struct lprocfs_vars lprocfs_llite_obd_vars[] = { - { "uuid", &ll_sb_uuid_fops, NULL, 0 }, /* { "mntpt_path", ll_rd_path, 0, 0 }, */ - { "fstype", &ll_fstype_fops, NULL, 0 }, { "site", &ll_site_stats_fops, NULL, 0 }, - { "blocksize", &ll_blksize_fops, NULL, 0 }, - { "kbytestotal", &ll_kbytestotal_fops, NULL, 0 }, - { "kbytesfree", &ll_kbytesfree_fops, NULL, 0 }, - { "kbytesavail", &ll_kbytesavail_fops, NULL, 0 }, - { "filestotal", &ll_filestotal_fops, NULL, 0 }, - { "filesfree", &ll_filesfree_fops, NULL, 0 }, - { "client_type", &ll_client_type_fops, NULL, 0 }, /* { "filegroups", lprocfs_rd_filegroups, 0, 0 }, */ - { "max_read_ahead_mb", &ll_max_readahead_mb_fops, NULL }, - { "max_read_ahead_per_file_mb", &ll_max_readahead_per_file_mb_fops, - NULL }, - { "max_read_ahead_whole_mb", &ll_max_read_ahead_whole_mb_fops, NULL }, { "max_cached_mb", &ll_max_cached_mb_fops, NULL }, - { "checksum_pages", &ll_checksum_fops, NULL }, - { "max_rw_chunk", &ll_max_rw_chunk_fops, NULL }, - { "stats_track_pid", &ll_track_pid_fops, NULL }, - { "stats_track_ppid", &ll_track_ppid_fops, NULL }, - { "stats_track_gid", &ll_track_gid_fops, NULL }, - { "statahead_max", &ll_statahead_max_fops, NULL }, - { "statahead_agl", &ll_statahead_agl_fops, NULL }, { "statahead_stats", &ll_statahead_stats_fops, NULL, 0 }, - { "lazystatfs", &ll_lazystatfs_fops, NULL }, - { "max_easize", &ll_max_easize_fops, NULL, 0 }, - { "default_easize", &ll_default_easize_fops, NULL, 0 }, - { "max_cookiesize", &ll_max_cookiesize_fops, NULL, 0 }, - { "default_cookiesize", &ll_default_cookiesize_fops, NULL, 0 }, { "sbi_flags", &ll_sbi_flags_fops, NULL, 0 }, - { "xattr_cache", &ll_xattr_cache_fops, NULL, 0 }, { NULL } }; #define MAX_STRING_SIZE 128 +static struct attribute *llite_attrs[] = { + &lustre_attr_blocksize.attr, + &lustre_attr_kbytestotal.attr, + &lustre_attr_kbytesfree.attr, + &lustre_attr_kbytesavail.attr, + &lustre_attr_filestotal.attr, + &lustre_attr_filesfree.attr, + &lustre_attr_client_type.attr, + &lustre_attr_fstype.attr, + &lustre_attr_uuid.attr, + &lustre_attr_max_read_ahead_mb.attr, + &lustre_attr_max_read_ahead_per_file_mb.attr, + &lustre_attr_max_read_ahead_whole_mb.attr, + &lustre_attr_checksum_pages.attr, + &lustre_attr_stats_track_pid.attr, + &lustre_attr_stats_track_ppid.attr, + &lustre_attr_stats_track_gid.attr, + &lustre_attr_statahead_max.attr, + &lustre_attr_statahead_agl.attr, + &lustre_attr_lazystatfs.attr, + &lustre_attr_max_easize.attr, + &lustre_attr_default_easize.attr, + &lustre_attr_xattr_cache.attr, + NULL, +}; + +static void llite_sb_release(struct kobject *kobj) +{ + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + complete(&sbi->ll_kobj_unregister); +} + +static struct kobj_type llite_ktype = { + .default_attrs = llite_attrs, + .sysfs_ops = &lustre_sysfs_ops, + .release = llite_sb_release, +}; + static const struct llite_file_opcode { __u32 opcode; __u32 type; @@ -958,24 +954,17 @@ static const char *ra_stat_string[] = { [RA_STAT_WRONG_GRAB_PAGE] = "wrong page from grab_cache_page", }; -LPROC_SEQ_FOPS_RO_TYPE(llite, name); -LPROC_SEQ_FOPS_RO_TYPE(llite, uuid); - -int lprocfs_register_mountpoint(struct proc_dir_entry *parent, - struct super_block *sb, char *osc, char *mdc) +int ldebugfs_register_mountpoint(struct dentry *parent, + struct super_block *sb, char *osc, char *mdc) { - struct lprocfs_vars lvars[2]; struct lustre_sb_info *lsi = s2lsi(sb); struct ll_sb_info *sbi = ll_s2sbi(sb); struct obd_device *obd; - struct proc_dir_entry *dir; + struct dentry *dir; char name[MAX_STRING_SIZE + 1], *ptr; int err, id, len, rc; - memset(lvars, 0, sizeof(lvars)); - name[MAX_STRING_SIZE] = '\0'; - lvars[0].name = name; LASSERT(sbi != NULL); LASSERT(mdc != NULL); @@ -991,30 +980,32 @@ int lprocfs_register_mountpoint(struct proc_dir_entry *parent, snprintf(name, MAX_STRING_SIZE, "%.*s-%p", len, lsi->lsi_lmd->lmd_profile, sb); - sbi->ll_proc_root = lprocfs_register(name, parent, NULL, NULL); - if (IS_ERR(sbi->ll_proc_root)) { - err = PTR_ERR(sbi->ll_proc_root); - sbi->ll_proc_root = NULL; + dir = ldebugfs_register(name, parent, NULL, NULL); + if (IS_ERR_OR_NULL(dir)) { + err = dir ? PTR_ERR(dir) : -ENOMEM; + sbi->ll_debugfs_entry = NULL; return err; } + sbi->ll_debugfs_entry = dir; - rc = lprocfs_seq_create(sbi->ll_proc_root, "dump_page_cache", 0444, - &vvp_dump_pgcache_file_ops, sbi); + rc = ldebugfs_seq_create(sbi->ll_debugfs_entry, "dump_page_cache", 0444, + &vvp_dump_pgcache_file_ops, sbi); if (rc) CWARN("Error adding the dump_page_cache file\n"); - rc = lprocfs_seq_create(sbi->ll_proc_root, "extents_stats", 0644, - &ll_rw_extents_stats_fops, sbi); + rc = ldebugfs_seq_create(sbi->ll_debugfs_entry, "extents_stats", 0644, + &ll_rw_extents_stats_fops, sbi); if (rc) CWARN("Error adding the extent_stats file\n"); - rc = lprocfs_seq_create(sbi->ll_proc_root, "extents_stats_per_process", - 0644, &ll_rw_extents_stats_pp_fops, sbi); + rc = ldebugfs_seq_create(sbi->ll_debugfs_entry, + "extents_stats_per_process", + 0644, &ll_rw_extents_stats_pp_fops, sbi); if (rc) CWARN("Error adding the extents_stats_per_process file\n"); - rc = lprocfs_seq_create(sbi->ll_proc_root, "offset_stats", 0644, - &ll_rw_offset_stats_fops, sbi); + rc = ldebugfs_seq_create(sbi->ll_debugfs_entry, "offset_stats", 0644, + &ll_rw_offset_stats_fops, sbi); if (rc) CWARN("Error adding the offset_stats file\n"); @@ -1029,6 +1020,7 @@ int lprocfs_register_mountpoint(struct proc_dir_entry *parent, for (id = 0; id < LPROC_LL_FILE_OPCODES; id++) { __u32 type = llite_opcode_table[id].type; void *ptr = NULL; + if (type & LPROCFS_TYPE_REGS) ptr = "regs"; else if (type & LPROCFS_TYPE_BYTES) @@ -1040,7 +1032,8 @@ int lprocfs_register_mountpoint(struct proc_dir_entry *parent, (type & LPROCFS_CNTR_AVGMINMAX), llite_opcode_table[id].opname, ptr); } - err = lprocfs_register_stats(sbi->ll_proc_root, "stats", sbi->ll_stats); + err = ldebugfs_register_stats(sbi->ll_debugfs_entry, "stats", + sbi->ll_stats); if (err) goto out; @@ -1054,80 +1047,57 @@ int lprocfs_register_mountpoint(struct proc_dir_entry *parent, for (id = 0; id < ARRAY_SIZE(ra_stat_string); id++) lprocfs_counter_init(sbi->ll_ra_stats, id, 0, ra_stat_string[id], "pages"); - err = lprocfs_register_stats(sbi->ll_proc_root, "read_ahead_stats", + + err = ldebugfs_register_stats(sbi->ll_debugfs_entry, "read_ahead_stats", sbi->ll_ra_stats); if (err) goto out; + err = ldebugfs_add_vars(sbi->ll_debugfs_entry, + lprocfs_llite_obd_vars, sb); + if (err) + goto out; - err = lprocfs_add_vars(sbi->ll_proc_root, lprocfs_llite_obd_vars, sb); + sbi->ll_kobj.kset = llite_kset; + init_completion(&sbi->ll_kobj_unregister); + err = kobject_init_and_add(&sbi->ll_kobj, &llite_ktype, NULL, + "%s", name); if (err) goto out; /* MDC info */ obd = class_name2obd(mdc); - LASSERT(obd != NULL); - LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC); - LASSERT(obd->obd_type->typ_name != NULL); - - dir = proc_mkdir(obd->obd_type->typ_name, sbi->ll_proc_root); - if (dir == NULL) { - err = -ENOMEM; - goto out; - } - - snprintf(name, MAX_STRING_SIZE, "common_name"); - lvars[0].fops = &llite_name_fops; - err = lprocfs_add_vars(dir, lvars, obd); - if (err) - goto out; - - snprintf(name, MAX_STRING_SIZE, "uuid"); - lvars[0].fops = &llite_uuid_fops; - err = lprocfs_add_vars(dir, lvars, obd); + err = sysfs_create_link(&sbi->ll_kobj, &obd->obd_kobj, + obd->obd_type->typ_name); if (err) goto out; /* OSC */ obd = class_name2obd(osc); - LASSERT(obd != NULL); - LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC); - LASSERT(obd->obd_type->typ_name != NULL); - - dir = proc_mkdir(obd->obd_type->typ_name, sbi->ll_proc_root); - if (dir == NULL) { - err = -ENOMEM; - goto out; - } - - snprintf(name, MAX_STRING_SIZE, "common_name"); - lvars[0].fops = &llite_name_fops; - err = lprocfs_add_vars(dir, lvars, obd); - if (err) - goto out; - - snprintf(name, MAX_STRING_SIZE, "uuid"); - lvars[0].fops = &llite_uuid_fops; - err = lprocfs_add_vars(dir, lvars, obd); + err = sysfs_create_link(&sbi->ll_kobj, &obd->obd_kobj, + obd->obd_type->typ_name); out: if (err) { - lprocfs_remove(&sbi->ll_proc_root); + ldebugfs_remove(&sbi->ll_debugfs_entry); lprocfs_free_stats(&sbi->ll_ra_stats); lprocfs_free_stats(&sbi->ll_stats); } return err; } -void lprocfs_unregister_mountpoint(struct ll_sb_info *sbi) +void ldebugfs_unregister_mountpoint(struct ll_sb_info *sbi) { - if (sbi->ll_proc_root) { - lprocfs_remove(&sbi->ll_proc_root); + if (sbi->ll_debugfs_entry) { + ldebugfs_remove(&sbi->ll_debugfs_entry); + kobject_put(&sbi->ll_kobj); + wait_for_completion(&sbi->ll_kobj_unregister); lprocfs_free_stats(&sbi->ll_ra_stats); lprocfs_free_stats(&sbi->ll_stats); } } + #undef MAX_STRING_SIZE #define pct(a, b) (b ? a * 100 / b : 0) @@ -1174,20 +1144,20 @@ static void ll_display_extents_info(struct ll_rw_extents_info *io_extents, static int ll_rw_extents_stats_pp_seq_show(struct seq_file *seq, void *v) { - struct timeval now; + struct timespec64 now; struct ll_sb_info *sbi = seq->private; struct ll_rw_extents_info *io_extents = &sbi->ll_rw_extents_info; int k; - do_gettimeofday(&now); + ktime_get_real_ts64(&now); if (!sbi->ll_rw_stats_on) { seq_printf(seq, "disabled\n" "write anything in this file to activate, then 0 or \"[D/d]isabled\" to deactivate\n"); return 0; } - seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n", - now.tv_sec, (unsigned long)now.tv_usec); + seq_printf(seq, "snapshot_time: %llu.%09lu (secs.usecs)\n", + (s64)now.tv_sec, (unsigned long)now.tv_nsec); seq_printf(seq, "%15s %19s | %20s\n", " ", "read", "write"); seq_printf(seq, "%13s %14s %4s %4s | %14s %4s %4s\n", "extents", "calls", "%", "cum%", @@ -1253,19 +1223,19 @@ LPROC_SEQ_FOPS(ll_rw_extents_stats_pp); static int ll_rw_extents_stats_seq_show(struct seq_file *seq, void *v) { - struct timeval now; + struct timespec64 now; struct ll_sb_info *sbi = seq->private; struct ll_rw_extents_info *io_extents = &sbi->ll_rw_extents_info; - do_gettimeofday(&now); + ktime_get_real_ts64(&now); if (!sbi->ll_rw_stats_on) { seq_printf(seq, "disabled\n" "write anything in this file to activate, then 0 or \"[D/d]isabled\" to deactivate\n"); return 0; } - seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n", - now.tv_sec, (unsigned long)now.tv_usec); + seq_printf(seq, "snapshot_time: %llu.%09lu (secs.usecs)\n", + (u64)now.tv_sec, (unsigned long)now.tv_nsec); seq_printf(seq, "%15s %19s | %20s\n", " ", "read", "write"); seq_printf(seq, "%13s %14s %4s %4s | %14s %4s %4s\n", @@ -1322,6 +1292,7 @@ static ssize_t ll_rw_extents_stats_seq_write(struct file *file, return len; } + LPROC_SEQ_FOPS(ll_rw_extents_stats); void ll_rw_stats_tally(struct ll_sb_info *sbi, pid_t pid, @@ -1359,8 +1330,9 @@ void ll_rw_stats_tally(struct ll_sb_info *sbi, pid_t pid, lprocfs_oh_clear(&io_extents->pp_extents[cur].pp_w_hist); } - for(i = 0; (count >= (1 << LL_HIST_START << i)) && - (i < (LL_HIST_MAX - 1)); i++); + for (i = 0; (count >= (1 << LL_HIST_START << i)) && + (i < (LL_HIST_MAX - 1)); i++) + ; if (rw == 0) { io_extents->pp_extents[cur].pp_r_hist.oh_buckets[i]++; io_extents->pp_extents[LL_PROCESS_HIST_MAX].pp_r_hist.oh_buckets[i]++; @@ -1429,13 +1401,13 @@ void ll_rw_stats_tally(struct ll_sb_info *sbi, pid_t pid, static int ll_rw_offset_stats_seq_show(struct seq_file *seq, void *v) { - struct timeval now; + struct timespec64 now; struct ll_sb_info *sbi = seq->private; struct ll_rw_process_info *offset = sbi->ll_rw_offset_info; struct ll_rw_process_info *process = sbi->ll_rw_process_info; int i; - do_gettimeofday(&now); + ktime_get_real_ts64(&now); if (!sbi->ll_rw_stats_on) { seq_printf(seq, "disabled\n" @@ -1444,8 +1416,8 @@ static int ll_rw_offset_stats_seq_show(struct seq_file *seq, void *v) } spin_lock(&sbi->ll_process_lock); - seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n", - now.tv_sec, (unsigned long)now.tv_usec); + seq_printf(seq, "snapshot_time: %llu.%09lu (secs.usecs)\n", + (s64)now.tv_sec, (unsigned long)now.tv_nsec); seq_printf(seq, "%3s %10s %14s %14s %17s %17s %14s\n", "R/W", "PID", "RANGE START", "RANGE END", "SMALLEST EXTENT", "LARGEST EXTENT", "OFFSET"); @@ -1531,6 +1503,5 @@ LPROC_SEQ_FOPS(ll_rw_offset_stats); void lprocfs_llite_init_vars(struct lprocfs_static_vars *lvars) { - lvars->module_vars = NULL; lvars->obd_vars = lprocfs_llite_obd_vars; } |