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authorJosef Bacik <josef@redhat.com>2011-07-18 13:21:38 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-20 20:47:58 -0400
commit06222e491e663dac939f04b125c9dc52126a75c4 (patch)
tree99636fd666c8148a5bf58ea4844263d4b3a36310 /fs/hpfs/dir.c
parentc334b1138bd44bea578eab7971c59bd9212a1093 (diff)
fs: handle SEEK_HOLE/SEEK_DATA properly in all fs's that define their own llseek
This converts everybody to handle SEEK_HOLE/SEEK_DATA properly. In some cases we just return -EINVAL, in others we do the normal generic thing, and in others we're simply making sure that the properly due-dilligence is done. For example in NFS/CIFS we need to make sure the file size is update properly for the SEEK_HOLE and SEEK_DATA case, but since it calls the generic llseek stuff itself that is all we have to do. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/hpfs/dir.c')
-rw-r--r--fs/hpfs/dir.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c
index f46ae025bfb5..96a8ed91cedd 100644
--- a/fs/hpfs/dir.c
+++ b/fs/hpfs/dir.c
@@ -29,6 +29,10 @@ static loff_t hpfs_dir_lseek(struct file *filp, loff_t off, int whence)
29 struct hpfs_inode_info *hpfs_inode = hpfs_i(i); 29 struct hpfs_inode_info *hpfs_inode = hpfs_i(i);
30 struct super_block *s = i->i_sb; 30 struct super_block *s = i->i_sb;
31 31
32 /* Somebody else will have to figure out what to do here */
33 if (whence == SEEK_DATA || whence == SEEK_HOLE)
34 return -EINVAL;
35
32 hpfs_lock(s); 36 hpfs_lock(s);
33 37
34 /*printk("dir lseek\n");*/ 38 /*printk("dir lseek\n");*/