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GFS2: Eliminate redundant buffer_head manipulation in gfs2_unlink_inode 

Since we now have a dirty_inode that takes care of manipulating the
inode buffer and writing from the inode to the buffer, we can
eliminate some unnecessary buffer manipulations in gfs2_unlink_inode
that are now redundant.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Bob Peterson 2012-11-12 13:03:29 -05:00 коммит произвёл Steven Whitehouse
Родитель 343cd8f0d7
Коммит 4327a9bf71
1 изменённых файлов: 4 добавлений и 18 удалений
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22
fs/gfs2/inode.c
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@ -995,7 +995,6 @@ static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
* gfs2_unlink_inode - Removes an inode from its parent dir and unlinks it
* @dip: The parent directory
* @name: The name of the entry in the parent directory
* @bh: The inode buffer for the inode to be removed
* @inode: The inode to be removed
*
* Called with all the locks and in a transaction. This will only be
@ -1005,8 +1004,7 @@ static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
*/
static int gfs2_unlink_inode(struct gfs2_inode *dip,
const struct dentry *dentry,
struct buffer_head *bh)
const struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
struct gfs2_inode *ip = GFS2_I(inode);
@ -1046,7 +1044,6 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
struct gfs2_sbd *sdp = GFS2_SB(dir);
struct inode *inode = dentry->d_inode;
struct gfs2_inode *ip = GFS2_I(inode);
struct buffer_head *bh;
struct gfs2_holder ghs[3];
struct gfs2_rgrpd *rgd;
int error;
@ -1094,15 +1091,10 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
goto out_gunlock;
error = gfs2_trans_begin(sdp, 2*RES_DINODE + 3*RES_LEAF + RES_RG_BIT, 0);
if (error)
goto out_gunlock;
error = gfs2_meta_inode_buffer(ip, &bh);
if (error)
goto out_end_trans;
error = gfs2_unlink_inode(dip, dentry, bh);
brelse(bh);
error = gfs2_unlink_inode(dip, dentry);
out_end_trans:
gfs2_trans_end(sdp);
@ -1402,14 +1394,8 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
/* Remove the target file, if it exists */
if (nip) {
struct buffer_head *bh;
error = gfs2_meta_inode_buffer(nip, &bh);
if (error)
goto out_end_trans;
error = gfs2_unlink_inode(ndip, ndentry, bh);
brelse(bh);
}
if (nip)
error = gfs2_unlink_inode(ndip, ndentry);
if (dir_rename) {
error = gfs2_dir_mvino(ip, &gfs2_qdotdot, ndip, DT_DIR);