diff options
author | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-04-11 10:41:07 +0300 |
---|---|---|
committer | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-04-13 08:17:18 +0300 |
commit | e09b41010ba33a20a87472ee821fa407a5b8da36 (patch) | |
tree | d10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/fs/nfs/blocklayout/extent_tree.c | |
parent | f93b97fd65072de626c074dbe099a1fff05ce060 (diff) |
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page.
During the rebasing, the following patch collided:
Force tick interrupt and get rid of softirq magic(I70131fb85).
Collisions have been removed because its logic was found on the
source already.
Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/fs/nfs/blocklayout/extent_tree.c')
-rw-r--r-- | kernel/fs/nfs/blocklayout/extent_tree.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/kernel/fs/nfs/blocklayout/extent_tree.c b/kernel/fs/nfs/blocklayout/extent_tree.c index 31d0b5e53..c59a59c37 100644 --- a/kernel/fs/nfs/blocklayout/extent_tree.c +++ b/kernel/fs/nfs/blocklayout/extent_tree.c @@ -462,6 +462,12 @@ out: return err; } +static size_t ext_tree_layoutupdate_size(size_t count) +{ + return sizeof(__be32) /* number of entries */ + + PNFS_BLOCK_EXTENT_SIZE * count; +} + static void ext_tree_free_commitdata(struct nfs4_layoutcommit_args *arg, size_t buffer_size) { @@ -489,7 +495,7 @@ static int ext_tree_encode_commit(struct pnfs_block_layout *bl, __be32 *p, continue; (*count)++; - if (*count * BL_EXTENT_SIZE > buffer_size) { + if (ext_tree_layoutupdate_size(*count) > buffer_size) { /* keep counting.. */ ret = -ENOSPC; continue; @@ -530,7 +536,7 @@ retry: if (unlikely(ret)) { ext_tree_free_commitdata(arg, buffer_size); - buffer_size = sizeof(__be32) + BL_EXTENT_SIZE * count; + buffer_size = ext_tree_layoutupdate_size(count); count = 0; arg->layoutupdate_pages = @@ -549,17 +555,14 @@ retry: } *start_p = cpu_to_be32(count); - arg->layoutupdate_len = sizeof(__be32) + BL_EXTENT_SIZE * count; + arg->layoutupdate_len = ext_tree_layoutupdate_size(count); if (unlikely(arg->layoutupdate_pages != &arg->layoutupdate_page)) { - __be32 *p = start_p; + void *p = start_p, *end = p + arg->layoutupdate_len; int i = 0; - for (p = start_p; - p < start_p + arg->layoutupdate_len; - p += PAGE_SIZE) { + for ( ; p < end; p += PAGE_SIZE) arg->layoutupdate_pages[i++] = vmalloc_to_page(p); - } } dprintk("%s found %zu ranges\n", __func__, count); |