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Update comment now that I finally committed r211854.

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MFC after:	1 month
This commit is contained in:
Pawel Jakub Dawidek 2010-08-26 23:44:32 +00:00
parent 203a3b911e
commit 8733ff6e11
1 changed files with 3 additions and 9 deletions
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12
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c
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@ -1563,15 +1563,9 @@ zfs_vget(vfs_t *vfsp, ino_t ino, int flags, vnode_t **vpp)
int err;
/*
* XXXPJD: zfs_zget() can't operate on virtual entires like .zfs/ or
* .zfs/snapshot/ directories, so for now just return EOPNOTSUPP.
* This will make NFS to fall back to using READDIR instead of
* READDIRPLUS.
* Also snapshots are stored in AVL tree, but based on their names,
* not inode numbers, so it will be very inefficient to iterate
* over all snapshots to find the right one.
* Note that OpenSolaris READDIRPLUS implementation does LOOKUP on
* d_name, and not VGET on d_fileno as we do.
* zfs_zget() can't operate on virtual entires like .zfs/ or
* .zfs/snapshot/ directories, that's why we return EOPNOTSUPP.
* This will make NFS to switch to LOOKUP instead of using VGET.
*/
if (ino == ZFSCTL_INO_ROOT || ino == ZFSCTL_INO_SNAPDIR)
return (EOPNOTSUPP);