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Diffstat (limited to 'fs/gfs2/dir.c')
-rw-r--r--fs/gfs2/dir.c50
1 files changed, 11 insertions, 39 deletions
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 1cc2f8ec52a2..8ccad2467cb6 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -240,16 +240,15 @@ fail:
return error;
}
-static int gfs2_dir_read_stuffed(struct gfs2_inode *ip, char *buf,
- u64 offset, unsigned int size)
+static int gfs2_dir_read_stuffed(struct gfs2_inode *ip, __be64 *buf,
+ unsigned int size)
{
struct buffer_head *dibh;
int error;
error = gfs2_meta_inode_buffer(ip, &dibh);
if (!error) {
- offset += sizeof(struct gfs2_dinode);
- memcpy(buf, dibh->b_data + offset, size);
+ memcpy(buf, dibh->b_data + sizeof(struct gfs2_dinode), size);
brelse(dibh);
}
@@ -261,13 +260,12 @@ static int gfs2_dir_read_stuffed(struct gfs2_inode *ip, char *buf,
* gfs2_dir_read_data - Read a data from a directory inode
* @ip: The GFS2 Inode
* @buf: The buffer to place result into
- * @offset: File offset to begin jdata_readng from
* @size: Amount of data to transfer
*
* Returns: The amount of data actually copied or the error
*/
-static int gfs2_dir_read_data(struct gfs2_inode *ip, char *buf, u64 offset,
- unsigned int size, unsigned ra)
+static int gfs2_dir_read_data(struct gfs2_inode *ip, __be64 *buf,
+ unsigned int size)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
u64 lblock, dblock;
@@ -275,24 +273,14 @@ static int gfs2_dir_read_data(struct gfs2_inode *ip, char *buf, u64 offset,
unsigned int o;
int copied = 0;
int error = 0;
- u64 disksize = i_size_read(&ip->i_inode);
-
- if (offset >= disksize)
- return 0;
-
- if (offset + size > disksize)
- size = disksize - offset;
-
- if (!size)
- return 0;
if (gfs2_is_stuffed(ip))
- return gfs2_dir_read_stuffed(ip, buf, offset, size);
+ return gfs2_dir_read_stuffed(ip, buf, size);
if (gfs2_assert_warn(sdp, gfs2_is_jdata(ip)))
return -EINVAL;
- lblock = offset;
+ lblock = 0;
o = do_div(lblock, sdp->sd_jbsize) + sizeof(struct gfs2_meta_header);
while (copied < size) {
@@ -311,8 +299,6 @@ static int gfs2_dir_read_data(struct gfs2_inode *ip, char *buf, u64 offset,
if (error || !dblock)
goto fail;
BUG_ON(extlen < 1);
- if (!ra)
- extlen = 1;
bh = gfs2_meta_ra(ip->i_gl, dblock, extlen);
} else {
error = gfs2_meta_read(ip->i_gl, dblock, DIO_WAIT, &bh);
@@ -328,7 +314,7 @@ static int gfs2_dir_read_data(struct gfs2_inode *ip, char *buf, u64 offset,
extlen--;
memcpy(buf, bh->b_data + o, amount);
brelse(bh);
- buf += amount;
+ buf += (amount/sizeof(__be64));
copied += amount;
lblock++;
o = sizeof(struct gfs2_meta_header);
@@ -371,7 +357,7 @@ static __be64 *gfs2_dir_get_hash_table(struct gfs2_inode *ip)
if (hc == NULL)
return ERR_PTR(-ENOMEM);
- ret = gfs2_dir_read_data(ip, (char *)hc, 0, hsize, 1);
+ ret = gfs2_dir_read_data(ip, hc, hsize);
if (ret < 0) {
kfree(hc);
return ERR_PTR(ret);
@@ -1695,7 +1681,6 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry)
const struct qstr *name = &dentry->d_name;
struct gfs2_dirent *dent, *prev = NULL;
struct buffer_head *bh;
- int error;
/* Returns _either_ the entry (if its first in block) or the
previous entry otherwise */
@@ -1724,22 +1709,15 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry)
}
brelse(bh);
- error = gfs2_meta_inode_buffer(dip, &bh);
- if (error)
- return error;
-
if (!dip->i_entries)
gfs2_consist_inode(dip);
- gfs2_trans_add_bh(dip->i_gl, bh, 1);
dip->i_entries--;
dip->i_inode.i_mtime = dip->i_inode.i_ctime = CURRENT_TIME;
if (S_ISDIR(dentry->d_inode->i_mode))
drop_nlink(&dip->i_inode);
- gfs2_dinode_out(dip, bh->b_data);
- brelse(bh);
mark_inode_dirty(&dip->i_inode);
- return error;
+ return 0;
}
/**
@@ -1829,10 +1807,6 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len,
if (error)
goto out_put;
- error = gfs2_rindex_hold(sdp, &dip->i_alloc->al_ri_gh);
- if (error)
- goto out_qs;
-
/* Count the number of leaves */
bh = leaf_bh;
@@ -1847,7 +1821,7 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len,
if (blk != leaf_no)
brelse(bh);
- gfs2_rlist_add(sdp, &rlist, blk);
+ gfs2_rlist_add(dip, &rlist, blk);
l_blocks++;
}
@@ -1911,8 +1885,6 @@ out_rg_gunlock:
gfs2_glock_dq_m(rlist.rl_rgrps, rlist.rl_ghs);
out_rlist:
gfs2_rlist_free(&rlist);
- gfs2_glock_dq_uninit(&dip->i_alloc->al_ri_gh);
-out_qs:
gfs2_quota_unhold(dip);
out_put:
gfs2_alloc_put(dip);