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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 18:30:20 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 18:30:20 -0700 |
commit | e371d46ae45488bcb112a99a7de462e9e3aa6764 (patch) | |
tree | 9e2eceb292018e52304053bd8013cdb0a7f31dcc /Documentation/filesystems/nfs | |
parent | b0189cd087aa82bd23277cb5c8960ab030e13e5c (diff) | |
parent | e57712ebebbb9db7d8dcef216437b3171ddcf115 (diff) | |
download | linux-stable-e371d46ae45488bcb112a99a7de462e9e3aa6764.tar.gz linux-stable-e371d46ae45488bcb112a99a7de462e9e3aa6764.tar.bz2 linux-stable-e371d46ae45488bcb112a99a7de462e9e3aa6764.zip |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
merge fchmod() and fchmodat() guts, kill ancient broken kludge
xfs: fix misspelled S_IS...()
xfs: get rid of open-coded S_ISREG(), etc.
vfs: document locking requirements for d_move, __d_move and d_materialise_unique
omfs: fix (mode & S_IFDIR) abuse
btrfs: S_ISREG(mode) is not mode & S_IFREG...
ima: fmode_t misspelled as mode_t...
pci-label.c: size_t misspelled as mode_t
jffs2: S_ISLNK(mode & S_IFMT) is pointless
snd_msnd ->mode is fmode_t, not mode_t
v9fs_iop_get_acl: get rid of unused variable
vfs: dont chain pipe/anon/socket on superblock s_inodes list
Documentation: Exporting: update description of d_splice_alias
fs: add missing unlock in default_llseek()
Diffstat (limited to 'Documentation/filesystems/nfs')
-rw-r--r-- | Documentation/filesystems/nfs/Exporting | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Documentation/filesystems/nfs/Exporting b/Documentation/filesystems/nfs/Exporting index 87019d2b5981..09994c247289 100644 --- a/Documentation/filesystems/nfs/Exporting +++ b/Documentation/filesystems/nfs/Exporting @@ -92,7 +92,14 @@ For a filesystem to be exportable it must: 1/ provide the filehandle fragment routines described below. 2/ make sure that d_splice_alias is used rather than d_add when ->lookup finds an inode for a given parent and name. - Typically the ->lookup routine will end with a: + + If inode is NULL, d_splice_alias(inode, dentry) is eqivalent to + + d_add(dentry, inode), NULL + + Similarly, d_splice_alias(ERR_PTR(err), dentry) = ERR_PTR(err) + + Typically the ->lookup routine will simply end with a: return d_splice_alias(inode, dentry); } |