diff options
author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/fs/sysv/file.c | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/fs/sysv/file.c')
-rw-r--r-- | kernel/fs/sysv/file.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/kernel/fs/sysv/file.c b/kernel/fs/sysv/file.c new file mode 100644 index 000000000..82ddc0906 --- /dev/null +++ b/kernel/fs/sysv/file.c @@ -0,0 +1,57 @@ +/* + * linux/fs/sysv/file.c + * + * minix/file.c + * Copyright (C) 1991, 1992 Linus Torvalds + * + * coh/file.c + * Copyright (C) 1993 Pascal Haible, Bruno Haible + * + * sysv/file.c + * Copyright (C) 1993 Bruno Haible + * + * SystemV/Coherent regular file handling primitives + */ + +#include "sysv.h" + +/* + * We have mostly NULLs here: the current defaults are OK for + * the coh filesystem. + */ +const struct file_operations sysv_file_operations = { + .llseek = generic_file_llseek, + .read_iter = generic_file_read_iter, + .write_iter = generic_file_write_iter, + .mmap = generic_file_mmap, + .fsync = generic_file_fsync, + .splice_read = generic_file_splice_read, +}; + +static int sysv_setattr(struct dentry *dentry, struct iattr *attr) +{ + struct inode *inode = d_inode(dentry); + int error; + + error = inode_change_ok(inode, attr); + if (error) + return error; + + if ((attr->ia_valid & ATTR_SIZE) && + attr->ia_size != i_size_read(inode)) { + error = inode_newsize_ok(inode, attr->ia_size); + if (error) + return error; + truncate_setsize(inode, attr->ia_size); + sysv_truncate(inode); + } + + setattr_copy(inode, attr); + mark_inode_dirty(inode); + return 0; +} + +const struct inode_operations sysv_file_inode_operations = { + .setattr = sysv_setattr, + .getattr = sysv_getattr, +}; |