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linux26-rename-more-cleanup-20050116

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FIXES 17284

cleanup how renaming does moving and unhashing of dentries
This commit is contained in:
Chas Williams 2005-01-16 16:49:06 +00:00 committed by Derrick Brashear
parent 646028dbdb
commit cadc5b46e1
1 changed files with 12 additions and 17 deletions
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29
src/afs/LINUX/osi_vnodeops.c
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@ -1047,7 +1047,6 @@ afs_linux_create(struct inode *dip, struct dentry *dp, int mode)
#endif
dp->d_op = &afs_dentry_operations;
dp->d_time = jiffies;
d_instantiate(dp, ip);
}
@ -1118,7 +1117,6 @@ afs_linux_lookup(struct inode *dip, struct dentry *dp)
ip->i_op = &afs_symlink_iops;
#endif
}
dp->d_time = jiffies;
dp->d_op = &afs_dentry_operations;
d_add(dp, AFSTOI(vcp));
@ -1277,7 +1275,6 @@ afs_linux_mkdir(struct inode *dip, struct dentry *dp, int mode)
tvcp->v.v_fop = &afs_dir_fops;
#endif
dp->d_op = &afs_dentry_operations;
dp->d_time = jiffies;
d_instantiate(dp, AFSTOI(tvcp));
}
@ -1331,10 +1328,10 @@ afs_linux_rename(struct inode *oldip, struct dentry *olddp,
cred_t *credp = crref();
const char *oldname = olddp->d_name.name;
const char *newname = newdp->d_name.name;
#if defined(AFS_LINUX26_ENV)
struct dentry *rehash = NULL;
#if defined(AFS_LINUX26_ENV)
/* Prevent any new references during rename operation. */
lock_kernel();
#endif
/* Remove old and new entries from name hash. New one will change below.
@ -1347,28 +1344,26 @@ afs_linux_rename(struct inode *oldip, struct dentry *olddp,
d_drop(newdp);
rehash = newdp;
}
#ifdef maybe
if (atomic_read(&olddp->d_count) > 1) {
printk("afs_linux_rename::shrink_dcache_parent()\n");
shrink_dcache_parent(olddp);
#else
if (!list_empty(&newdp->d_hash)) {
d_drop(newdp);
rehash = newdp;
}
#endif
#else
if (!list_empty(&olddp->d_hash))
d_drop(olddp);
if (!list_empty(&newdp->d_hash))
d_drop(newdp);
#if defined(AFS_LINUX24_ENV)
if (atomic_read(&olddp->d_count) > 1)
shrink_dcache_parent(olddp);
#endif
AFS_GLOCK();
code = afs_rename(ITOAFS(oldip), oldname, ITOAFS(newip), newname, credp);
AFS_GUNLOCK();
#if defined(AFS_LINUX26_ENV)
if (rehash)
d_rehash(rehash);
#if defined(AFS_LINUX26_ENV)
unlock_kernel();
#endif