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yaml
---
r: 377647
b: refs/heads/master
c: 5a00f3c
h: refs/heads/master
i:
  377645: d7121a3
  377643: 640b9b8
  377639: f6ea1dc
  377631: f8981d7
v: v3
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Steven Whitehouse committed Jun 11, 2013
1 parent 3540a1b commit 4749006
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Showing 4 changed files with 26 additions and 29 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a9aefd707c65aa5a7945b3f16bd39f314aa8414d
refs/heads/master: 5a00f3cc978be45b9d2597851bedaa40630bc597
23 changes: 13 additions & 10 deletions trunk/fs/gfs2/dir.c
Original file line number Diff line number Diff line change
Expand Up @@ -1555,32 +1555,35 @@ int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque,

/**
* gfs2_dir_search - Search a directory
* @dip: The GFS2 inode
* @filename:
* @inode:
* @dip: The GFS2 dir inode
* @name: The name we are looking up
* @fail_on_exist: Fail if the name exists rather than looking it up
*
* This routine searches a directory for a file or another directory.
* Assumes a glock is held on dip.
*
* Returns: errno
*/

struct inode *gfs2_dir_search(struct inode *dir, const struct qstr *name)
struct inode *gfs2_dir_search(struct inode *dir, const struct qstr *name,
bool fail_on_exist)
{
struct buffer_head *bh;
struct gfs2_dirent *dent;
struct inode *inode;
u64 addr, formal_ino;
u16 dtype;

dent = gfs2_dirent_search(dir, name, gfs2_dirent_find, &bh);
if (dent) {
if (IS_ERR(dent))
return ERR_CAST(dent);
inode = gfs2_inode_lookup(dir->i_sb,
be16_to_cpu(dent->de_type),
be64_to_cpu(dent->de_inum.no_addr),
be64_to_cpu(dent->de_inum.no_formal_ino), 0);
dtype = be16_to_cpu(dent->de_type);
addr = be64_to_cpu(dent->de_inum.no_addr);
formal_ino = be64_to_cpu(dent->de_inum.no_formal_ino);
brelse(bh);
return inode;
if (fail_on_exist)
return ERR_PTR(-EEXIST);
return gfs2_inode_lookup(dir->i_sb, dtype, addr, formal_ino, 0);
}
return ERR_PTR(-ENOENT);
}
Expand Down
3 changes: 2 additions & 1 deletion trunk/fs/gfs2/dir.h
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,8 @@ struct gfs2_inode;
struct gfs2_inum;

extern struct inode *gfs2_dir_search(struct inode *dir,
const struct qstr *filename);
const struct qstr *filename,
bool fail_on_exist);
extern int gfs2_dir_check(struct inode *dir, const struct qstr *filename,
const struct gfs2_inode *ip);
extern int gfs2_dir_add(struct inode *inode, const struct qstr *filename,
Expand Down
27 changes: 10 additions & 17 deletions trunk/fs/gfs2/inode.c
Original file line number Diff line number Diff line change
Expand Up @@ -313,7 +313,7 @@ struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
goto out;
}

inode = gfs2_dir_search(dir, name);
inode = gfs2_dir_search(dir, name, false);
if (IS_ERR(inode))
error = PTR_ERR(inode);
out:
Expand Down Expand Up @@ -346,17 +346,6 @@ static int create_ok(struct gfs2_inode *dip, const struct qstr *name,
if (!dip->i_inode.i_nlink)
return -ENOENT;

error = gfs2_dir_check(&dip->i_inode, name, NULL);
switch (error) {
case -ENOENT:
error = 0;
break;
case 0:
return -EEXIST;
default:
return error;
}

if (dip->i_entries == (u32)-1)
return -EFBIG;
if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1)
Expand Down Expand Up @@ -584,14 +573,18 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
goto fail;

error = create_ok(dip, name, mode);
if ((error == -EEXIST) && S_ISREG(mode) && !excl) {
inode = gfs2_lookupi(dir, &dentry->d_name, 0);
if (error)
goto fail_gunlock;

inode = gfs2_dir_search(dir, &dentry->d_name, !S_ISREG(mode) || excl);
error = PTR_ERR(inode);
if (!IS_ERR(inode)) {
gfs2_glock_dq_uninit(ghs);
d_instantiate(dentry, inode);
return PTR_RET(inode);
}
if (error)
return 0;
} else if (error != -ENOENT) {
goto fail_gunlock;
}

arq = error = gfs2_diradd_alloc_required(dir, name);
if (error < 0)
Expand Down

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