diff options
| author |   Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> | 2013-12-18 08:22:40 +0800 |
|---|---|---|
| committer |   Ben Myers <bpm@sgi.com> | 2014-01-06 13:50:06 -0600 |
| commit | 99b6436bc29e4f10e4388c27a3e4810191cc4788 (patch) | |
| tree | a9dc0d6a5b4cec023772eff4b9fbac0ead093135 /fs/xfs/xfs_iops.c | |
| parent | xfs: factor prid related codes into xfs_get_initial_prid() (diff) | |
| download | linux-dev-99b6436bc29e4f10e4388c27a3e4810191cc4788.tar.xz linux-dev-99b6436bc29e4f10e4388c27a3e4810191cc4788.zip | |
xfs: add O_TMPFILE support
Add two functions xfs_create_tmpfile() and xfs_vn_tmpfile()
to support O_TMPFILE file creation.
In contrast to xfs_create(), xfs_create_tmpfile() has a different
log reservation to the regular file creation because there is no
directory modification, and doesn't check if an entry can be added
to the directory, but the reservation quotas is required appropriately,
and finally its inode is added to the unlinked list.
xfs_vn_tmpfile() add one O_TMPFILE method to VFS interface and directly
invoke xfs_create_tmpfile().
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_iops.c')
| -rw-r--r-- | fs/xfs/xfs_iops.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 0ce1d759156e..cb06cc4d0003 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -39,6 +39,7 @@ #include "xfs_da_btree.h" #include "xfs_dir2_priv.h" #include "xfs_dinode.h" +#include "xfs_trans_space.h" #include <linux/capability.h> #include <linux/xattr.h> @@ -1043,6 +1044,19 @@ xfs_vn_fiemap( return 0; } +STATIC int +xfs_vn_tmpfile( + struct inode *dir, + struct dentry *dentry, + umode_t mode) +{ + int error; + + error = xfs_create_tmpfile(XFS_I(dir), dentry, mode); + + return -error; +} + static const struct inode_operations xfs_inode_operations = { .get_acl = xfs_get_acl, .getattr = xfs_vn_getattr, @@ -1079,6 +1093,7 @@ static const struct inode_operations xfs_dir_inode_operations = { .removexattr = generic_removexattr, .listxattr = xfs_vn_listxattr, .update_time = xfs_vn_update_time, + .tmpfile = xfs_vn_tmpfile, }; static const struct inode_operations xfs_dir_ci_inode_operations = { @@ -1105,6 +1120,7 @@ static const struct inode_operations xfs_dir_ci_inode_operations = { .removexattr = generic_removexattr, .listxattr = xfs_vn_listxattr, .update_time = xfs_vn_update_time, + .tmpfile = xfs_vn_tmpfile, }; static const struct inode_operations xfs_symlink_inode_operations = { |