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Subject[PATCH 09/45] ocfs2: Take ocfs2_xattr_bucket structures off of the stack.
Date
From: Joel Becker <joel.becker@oracle.com>

The ocfs2_xattr_bucket structure is a nice abstraction, but it is a bit
large to have on the stack. Just like ocfs2_path, let's allocate it
with a ocfs2_xattr_bucket_new() function.

We can now store the inode on the bucket, cleaning up all the other
bucket functions. While we're here, we catch another place or two that
wasn't using ocfs2_read_xattr_bucket().

Updates:
- No longer allocating xis.bucket, as it will never be used.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---
fs/ocfs2/xattr.c | 281 ++++++++++++++++++++++++++++++++----------------------
1 files changed, 166 insertions(+), 115 deletions(-)

diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 71d9e7b..766494e 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -61,7 +61,14 @@ struct ocfs2_xattr_def_value_root {
};

struct ocfs2_xattr_bucket {
+ /* The inode these xattrs are associated with */
+ struct inode *bu_inode;
+
+ /* The actual buffers that make up the bucket */
struct buffer_head *bu_bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET];
+
+ /* How many blocks make up one bucket for this filesystem */
+ int bu_blocks;
};

#define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root))
@@ -97,7 +104,7 @@ struct ocfs2_xattr_search {
*/
struct buffer_head *xattr_bh;
struct ocfs2_xattr_header *header;
- struct ocfs2_xattr_bucket bucket;
+ struct ocfs2_xattr_bucket *bucket;
void *base;
void *end;
struct ocfs2_xattr_entry *here;
@@ -157,69 +164,91 @@ static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb)
#define bucket_block(_b, _n) ((_b)->bu_bhs[(_n)]->b_data)
#define bucket_xh(_b) ((struct ocfs2_xattr_header *)bucket_block((_b), 0))

-static void ocfs2_xattr_bucket_relse(struct inode *inode,
- struct ocfs2_xattr_bucket *bucket)
+static struct ocfs2_xattr_bucket *ocfs2_xattr_bucket_new(struct inode *inode)
{
- int i, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+ struct ocfs2_xattr_bucket *bucket;
+ int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);

- for (i = 0; i < blks; i++) {
+ BUG_ON(blks > OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET);
+
+ bucket = kzalloc(sizeof(struct ocfs2_xattr_bucket), GFP_NOFS);
+ if (bucket) {
+ bucket->bu_inode = inode;
+ bucket->bu_blocks = blks;
+ }
+
+ return bucket;
+}
+
+static void ocfs2_xattr_bucket_relse(struct ocfs2_xattr_bucket *bucket)
+{
+ int i;
+
+ for (i = 0; i < bucket->bu_blocks; i++) {
brelse(bucket->bu_bhs[i]);
bucket->bu_bhs[i] = NULL;
}
}

+static void ocfs2_xattr_bucket_free(struct ocfs2_xattr_bucket *bucket)
+{
+ if (bucket) {
+ ocfs2_xattr_bucket_relse(bucket);
+ bucket->bu_inode = NULL;
+ kfree(bucket);
+ }
+}
+
/*
* A bucket that has never been written to disk doesn't need to be
* read. We just need the buffer_heads. Don't call this for
* buckets that are already on disk. ocfs2_read_xattr_bucket() initializes
* them fully.
*/
-static int ocfs2_init_xattr_bucket(struct inode *inode,
- struct ocfs2_xattr_bucket *bucket,
+static int ocfs2_init_xattr_bucket(struct ocfs2_xattr_bucket *bucket,
u64 xb_blkno)
{
int i, rc = 0;
- int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);

- for (i = 0; i < blks; i++) {
- bucket->bu_bhs[i] = sb_getblk(inode->i_sb, xb_blkno + i);
+ for (i = 0; i < bucket->bu_blocks; i++) {
+ bucket->bu_bhs[i] = sb_getblk(bucket->bu_inode->i_sb,
+ xb_blkno + i);
if (!bucket->bu_bhs[i]) {
rc = -EIO;
mlog_errno(rc);
break;
}

- ocfs2_set_new_buffer_uptodate(inode, bucket->bu_bhs[i]);
+ ocfs2_set_new_buffer_uptodate(bucket->bu_inode,
+ bucket->bu_bhs[i]);
}

if (rc)
- ocfs2_xattr_bucket_relse(inode, bucket);
+ ocfs2_xattr_bucket_relse(bucket);
return rc;
}

/* Read the xattr bucket at xb_blkno */
-static int ocfs2_read_xattr_bucket(struct inode *inode,
- struct ocfs2_xattr_bucket *bucket,
+static int ocfs2_read_xattr_bucket(struct ocfs2_xattr_bucket *bucket,
u64 xb_blkno)
{
- int rc, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+ int rc;

- rc = ocfs2_read_blocks(inode, xb_blkno, blks, bucket->bu_bhs, 0);
+ rc = ocfs2_read_blocks(bucket->bu_inode, xb_blkno,
+ bucket->bu_blocks, bucket->bu_bhs, 0);
if (rc)
- ocfs2_xattr_bucket_relse(inode, bucket);
+ ocfs2_xattr_bucket_relse(bucket);
return rc;
}

static int ocfs2_xattr_bucket_journal_access(handle_t *handle,
- struct inode *inode,
struct ocfs2_xattr_bucket *bucket,
int type)
{
int i, rc = 0;
- int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);

- for (i = 0; i < blks; i++) {
- rc = ocfs2_journal_access(handle, inode,
+ for (i = 0; i < bucket->bu_blocks; i++) {
+ rc = ocfs2_journal_access(handle, bucket->bu_inode,
bucket->bu_bhs[i], type);
if (rc) {
mlog_errno(rc);
@@ -231,24 +260,24 @@ static int ocfs2_xattr_bucket_journal_access(handle_t *handle,
}

static void ocfs2_xattr_bucket_journal_dirty(handle_t *handle,
- struct inode *inode,
struct ocfs2_xattr_bucket *bucket)
{
- int i, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+ int i;

- for (i = 0; i < blks; i++)
+ for (i = 0; i < bucket->bu_blocks; i++)
ocfs2_journal_dirty(handle, bucket->bu_bhs[i]);
}

-static void ocfs2_xattr_bucket_copy_data(struct inode *inode,
- struct ocfs2_xattr_bucket *dest,
+static void ocfs2_xattr_bucket_copy_data(struct ocfs2_xattr_bucket *dest,
struct ocfs2_xattr_bucket *src)
{
int i;
- int blocksize = inode->i_sb->s_blocksize;
- int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+ int blocksize = src->bu_inode->i_sb->s_blocksize;
+
+ BUG_ON(dest->bu_blocks != src->bu_blocks);
+ BUG_ON(dest->bu_inode != src->bu_inode);

- for (i = 0; i < blks; i++) {
+ for (i = 0; i < src->bu_blocks; i++) {
memcpy(bucket_block(dest, i), bucket_block(src, i),
blocksize);
}
@@ -869,7 +898,12 @@ static int ocfs2_xattr_block_get(struct inode *inode,
size_t size;
int ret = -ENODATA, name_offset, name_len, block_off, i;

- memset(&xs->bucket, 0, sizeof(xs->bucket));
+ xs->bucket = ocfs2_xattr_bucket_new(inode);
+ if (!xs->bucket) {
+ ret = -ENOMEM;
+ mlog_errno(ret);
+ goto cleanup;
+ }

ret = ocfs2_xattr_block_find(inode, name_index, name, xs);
if (ret) {
@@ -895,11 +929,11 @@ static int ocfs2_xattr_block_get(struct inode *inode,

if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) {
ret = ocfs2_xattr_bucket_get_name_value(inode,
- bucket_xh(&xs->bucket),
+ bucket_xh(xs->bucket),
i,
&block_off,
&name_offset);
- xs->base = bucket_block(&xs->bucket, block_off);
+ xs->base = bucket_block(xs->bucket, block_off);
}
if (ocfs2_xattr_is_local(xs->here)) {
memcpy(buffer, (void *)xs->base +
@@ -917,8 +951,7 @@ static int ocfs2_xattr_block_get(struct inode *inode,
}
ret = size;
cleanup:
- ocfs2_xattr_bucket_relse(inode, &xs->bucket);
- memset(&xs->bucket, 0, sizeof(xs->bucket));
+ ocfs2_xattr_bucket_free(xs->bucket);

brelse(xs->xattr_bh);
xs->xattr_bh = NULL;
@@ -2047,10 +2080,20 @@ int ocfs2_xattr_set(struct inode *inode,
if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))
return -EOPNOTSUPP;

+ /*
+ * Only xbs will be used on indexed trees. xis doesn't need a
+ * bucket.
+ */
+ xbs.bucket = ocfs2_xattr_bucket_new(inode);
+ if (!xbs.bucket) {
+ mlog_errno(-ENOMEM);
+ return -ENOMEM;
+ }
+
ret = ocfs2_inode_lock(inode, &di_bh, 1);
if (ret < 0) {
mlog_errno(ret);
- return ret;
+ goto cleanup_nolock;
}
xis.inode_bh = xbs.inode_bh = di_bh;
di = (struct ocfs2_dinode *)di_bh->b_data;
@@ -2127,9 +2170,10 @@ int ocfs2_xattr_set(struct inode *inode,
cleanup:
up_write(&OCFS2_I(inode)->ip_xattr_sem);
ocfs2_inode_unlock(inode, 1);
+cleanup_nolock:
brelse(di_bh);
brelse(xbs.xattr_bh);
- ocfs2_xattr_bucket_relse(inode, &xbs.bucket);
+ ocfs2_xattr_bucket_free(xbs.bucket);

return ret;
}
@@ -2373,11 +2417,11 @@ static int ocfs2_xattr_bucket_find(struct inode *inode,
lower_bh = bh;
bh = NULL;
}
- xs->bucket.bu_bhs[0] = lower_bh;
+ xs->bucket->bu_bhs[0] = lower_bh;
lower_bh = NULL;

- xs->header = bucket_xh(&xs->bucket);
- xs->base = bucket_block(&xs->bucket, 0);
+ xs->header = bucket_xh(xs->bucket);
+ xs->base = bucket_block(xs->bucket, 0);
xs->end = xs->base + inode->i_sb->s_blocksize;

if (found) {
@@ -2385,8 +2429,8 @@ static int ocfs2_xattr_bucket_find(struct inode *inode,
* If we have found the xattr enty, read all the blocks in
* this bucket.
*/
- ret = ocfs2_read_blocks(inode, bucket_blkno(&xs->bucket) + 1,
- blk_per_bucket - 1, &xs->bucket.bu_bhs[1],
+ ret = ocfs2_read_blocks(inode, bucket_blkno(xs->bucket) + 1,
+ blk_per_bucket - 1, &xs->bucket->bu_bhs[1],
0);
if (ret) {
mlog_errno(ret);
@@ -2395,7 +2439,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode,

xs->here = &xs->header->xh_entries[index];
mlog(0, "find xattr %s in bucket %llu, entry = %u\n", name,
- (unsigned long long)bucket_blkno(&xs->bucket), index);
+ (unsigned long long)bucket_blkno(xs->bucket), index);
} else
ret = -ENODATA;

@@ -2453,22 +2497,24 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode,
void *para)
{
int i, ret = 0;
- int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
u32 bpc = ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb));
u32 num_buckets = clusters * bpc;
- struct ocfs2_xattr_bucket bucket;
+ struct ocfs2_xattr_bucket *bucket;

- memset(&bucket, 0, sizeof(bucket));
+ bucket = ocfs2_xattr_bucket_new(inode);
+ if (!bucket) {
+ mlog_errno(-ENOMEM);
+ return -ENOMEM;
+ }

mlog(0, "iterating xattr buckets in %u clusters starting from %llu\n",
clusters, (unsigned long long)blkno);

- for (i = 0; i < num_buckets; i++, blkno += blk_per_bucket) {
- ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket,
- bucket.bu_bhs, 0);
+ for (i = 0; i < num_buckets; i++, blkno += bucket->bu_blocks) {
+ ret = ocfs2_read_xattr_bucket(bucket, blkno);
if (ret) {
mlog_errno(ret);
- goto out;
+ break;
}

/*
@@ -2476,26 +2522,24 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode,
* in the 1st bucket.
*/
if (i == 0)
- num_buckets = le16_to_cpu(bucket_xh(&bucket)->xh_num_buckets);
+ num_buckets = le16_to_cpu(bucket_xh(bucket)->xh_num_buckets);

mlog(0, "iterating xattr bucket %llu, first hash %u\n",
(unsigned long long)blkno,
- le32_to_cpu(bucket_xh(&bucket)->xh_entries[0].xe_name_hash));
+ le32_to_cpu(bucket_xh(bucket)->xh_entries[0].xe_name_hash));
if (func) {
- ret = func(inode, &bucket, para);
- if (ret) {
+ ret = func(inode, bucket, para);
+ if (ret)
mlog_errno(ret);
- break;
- }
+ /* Fall through to bucket_relse() */
}

- ocfs2_xattr_bucket_relse(inode, &bucket);
- memset(&bucket, 0, sizeof(bucket));
+ ocfs2_xattr_bucket_relse(bucket);
+ if (ret)
+ break;
}

-out:
- ocfs2_xattr_bucket_relse(inode, &bucket);
-
+ ocfs2_xattr_bucket_free(bucket);
return ret;
}

@@ -2718,9 +2762,9 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode,
int i, blocksize = inode->i_sb->s_blocksize;
u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);

- xs->bucket.bu_bhs[0] = new_bh;
+ xs->bucket->bu_bhs[0] = new_bh;
get_bh(new_bh);
- xs->header = bucket_xh(&xs->bucket);
+ xs->header = bucket_xh(xs->bucket);

xs->base = new_bh->b_data;
xs->end = xs->base + inode->i_sb->s_blocksize;
@@ -2728,8 +2772,8 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode,
if (!xs->not_found) {
if (OCFS2_XATTR_BUCKET_SIZE != blocksize) {
ret = ocfs2_read_blocks(inode,
- bucket_blkno(&xs->bucket) + 1,
- blk_per_bucket - 1, &xs->bucket.bu_bhs[1],
+ bucket_blkno(xs->bucket) + 1,
+ blk_per_bucket - 1, &xs->bucket->bu_bhs[1],
0);
if (ret) {
mlog_errno(ret);
@@ -3244,8 +3288,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode,
{
int ret, i;
int count, start, len, name_value_len = 0, xe_len, name_offset = 0;
- u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
- struct ocfs2_xattr_bucket s_bucket, t_bucket;
+ struct ocfs2_xattr_bucket *s_bucket = NULL, *t_bucket = NULL;
struct ocfs2_xattr_header *xh;
struct ocfs2_xattr_entry *xe;
int blocksize = inode->i_sb->s_blocksize;
@@ -3253,16 +3296,21 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode,
mlog(0, "move some of xattrs from bucket %llu to %llu\n",
(unsigned long long)blk, (unsigned long long)new_blk);

- memset(&s_bucket, 0, sizeof(struct ocfs2_xattr_bucket));
- memset(&t_bucket, 0, sizeof(struct ocfs2_xattr_bucket));
+ s_bucket = ocfs2_xattr_bucket_new(inode);
+ t_bucket = ocfs2_xattr_bucket_new(inode);
+ if (!s_bucket || !t_bucket) {
+ ret = -ENOMEM;
+ mlog_errno(ret);
+ goto out;
+ }

- ret = ocfs2_read_xattr_bucket(inode, &s_bucket, blk);
+ ret = ocfs2_read_xattr_bucket(s_bucket, blk);
if (ret) {
mlog_errno(ret);
goto out;
}

- ret = ocfs2_xattr_bucket_journal_access(handle, inode, &s_bucket,
+ ret = ocfs2_xattr_bucket_journal_access(handle, s_bucket,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
@@ -3273,13 +3321,13 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode,
* Even if !new_bucket_head, we're overwriting t_bucket. Thus,
* there's no need to read it.
*/
- ret = ocfs2_init_xattr_bucket(inode, &t_bucket, new_blk);
+ ret = ocfs2_init_xattr_bucket(t_bucket, new_blk);
if (ret) {
mlog_errno(ret);
goto out;
}

- ret = ocfs2_xattr_bucket_journal_access(handle, inode, &t_bucket,
+ ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket,
new_bucket_head ?
OCFS2_JOURNAL_ACCESS_CREATE :
OCFS2_JOURNAL_ACCESS_WRITE);
@@ -3288,7 +3336,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode,
goto out;
}

- xh = bucket_xh(&s_bucket);
+ xh = bucket_xh(s_bucket);
count = le16_to_cpu(xh->xh_count);
start = ocfs2_xattr_find_divide_pos(xh);

@@ -3300,10 +3348,10 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode,
* The hash value is set as one larger than
* that of the last entry in the previous bucket.
*/
- for (i = 0; i < blk_per_bucket; i++)
- memset(bucket_block(&t_bucket, i), 0, blocksize);
+ for (i = 0; i < t_bucket->bu_blocks; i++)
+ memset(bucket_block(t_bucket, i), 0, blocksize);

- xh = bucket_xh(&t_bucket);
+ xh = bucket_xh(t_bucket);
xh->xh_free_start = cpu_to_le16(blocksize);
xh->xh_entries[0].xe_name_hash = xe->xe_name_hash;
le32_add_cpu(&xh->xh_entries[0].xe_name_hash, 1);
@@ -3312,10 +3360,10 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode,
}

/* copy the whole bucket to the new first. */
- ocfs2_xattr_bucket_copy_data(inode, &t_bucket, &s_bucket);
+ ocfs2_xattr_bucket_copy_data(t_bucket, s_bucket);

/* update the new bucket. */
- xh = bucket_xh(&t_bucket);
+ xh = bucket_xh(t_bucket);

/*
* Calculate the total name/value len and xh_free_start for
@@ -3379,7 +3427,7 @@ set_num_buckets:
else
xh->xh_num_buckets = 0;

- ocfs2_xattr_bucket_journal_dirty(handle, inode, &t_bucket);
+ ocfs2_xattr_bucket_journal_dirty(handle, t_bucket);

/* store the first_hash of the new bucket. */
if (first_hash)
@@ -3393,18 +3441,18 @@ set_num_buckets:
if (start == count)
goto out;

- xh = bucket_xh(&s_bucket);
+ xh = bucket_xh(s_bucket);
memset(&xh->xh_entries[start], 0,
sizeof(struct ocfs2_xattr_entry) * (count - start));
xh->xh_count = cpu_to_le16(start);
xh->xh_free_start = cpu_to_le16(name_offset);
xh->xh_name_value_len = cpu_to_le16(name_value_len);

- ocfs2_xattr_bucket_journal_dirty(handle, inode, &s_bucket);
+ ocfs2_xattr_bucket_journal_dirty(handle, s_bucket);

out:
- ocfs2_xattr_bucket_relse(inode, &s_bucket);
- ocfs2_xattr_bucket_relse(inode, &t_bucket);
+ ocfs2_xattr_bucket_free(s_bucket);
+ ocfs2_xattr_bucket_free(t_bucket);

return ret;
}
@@ -3422,7 +3470,7 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode,
int t_is_new)
{
int ret;
- struct ocfs2_xattr_bucket s_bucket, t_bucket;
+ struct ocfs2_xattr_bucket *s_bucket = NULL, *t_bucket = NULL;

BUG_ON(s_blkno == t_blkno);

@@ -3430,10 +3478,15 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode,
(unsigned long long)s_blkno, (unsigned long long)t_blkno,
t_is_new);

- memset(&s_bucket, 0, sizeof(struct ocfs2_xattr_bucket));
- memset(&t_bucket, 0, sizeof(struct ocfs2_xattr_bucket));
-
- ret = ocfs2_read_xattr_bucket(inode, &s_bucket, s_blkno);
+ s_bucket = ocfs2_xattr_bucket_new(inode);
+ t_bucket = ocfs2_xattr_bucket_new(inode);
+ if (!s_bucket || !t_bucket) {
+ ret = -ENOMEM;
+ mlog_errno(ret);
+ goto out;
+ }
+
+ ret = ocfs2_read_xattr_bucket(s_bucket, s_blkno);
if (ret)
goto out;

@@ -3441,23 +3494,23 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode,
* Even if !t_is_new, we're overwriting t_bucket. Thus,
* there's no need to read it.
*/
- ret = ocfs2_init_xattr_bucket(inode, &t_bucket, t_blkno);
+ ret = ocfs2_init_xattr_bucket(t_bucket, t_blkno);
if (ret)
goto out;

- ret = ocfs2_xattr_bucket_journal_access(handle, inode, &t_bucket,
+ ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket,
t_is_new ?
OCFS2_JOURNAL_ACCESS_CREATE :
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret)
goto out;

- ocfs2_xattr_bucket_copy_data(inode, &t_bucket, &s_bucket);
- ocfs2_xattr_bucket_journal_dirty(handle, inode, &t_bucket);
+ ocfs2_xattr_bucket_copy_data(t_bucket, s_bucket);
+ ocfs2_xattr_bucket_journal_dirty(handle, t_bucket);

out:
- ocfs2_xattr_bucket_relse(inode, &s_bucket);
- ocfs2_xattr_bucket_relse(inode, &t_bucket);
+ ocfs2_xattr_bucket_free(t_bucket);
+ ocfs2_xattr_bucket_free(s_bucket);

return ret;
}
@@ -4009,7 +4062,7 @@ static void ocfs2_xattr_set_entry_normal(struct inode *inode,
xe->xe_value_size = 0;

val = ocfs2_xattr_bucket_get_val(inode,
- &xs->bucket, offs);
+ xs->bucket, offs);
memset(val + OCFS2_XATTR_SIZE(name_len), 0,
size - OCFS2_XATTR_SIZE(name_len));
if (OCFS2_XATTR_SIZE(xi->value_len) > 0)
@@ -4087,8 +4140,7 @@ set_new_name_value:
xh->xh_free_start = cpu_to_le16(offs);
}

- val = ocfs2_xattr_bucket_get_val(inode,
- &xs->bucket, offs - size);
+ val = ocfs2_xattr_bucket_get_val(inode, xs->bucket, offs - size);
xe->xe_name_offset = cpu_to_le16(offs - size);

memset(val, 0, size);
@@ -4122,12 +4174,12 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode,

mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n",
(unsigned long)xi->value_len, xi->name_index,
- (unsigned long long)bucket_blkno(&xs->bucket));
+ (unsigned long long)bucket_blkno(xs->bucket));

- if (!xs->bucket.bu_bhs[1]) {
+ if (!xs->bucket->bu_bhs[1]) {
ret = ocfs2_read_blocks(inode,
- bucket_blkno(&xs->bucket) + 1,
- blk_per_bucket - 1, &xs->bucket.bu_bhs[1],
+ bucket_blkno(xs->bucket) + 1,
+ blk_per_bucket - 1, &xs->bucket->bu_bhs[1],
0);
if (ret) {
mlog_errno(ret);
@@ -4143,7 +4195,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode,
goto out;
}

- ret = ocfs2_xattr_bucket_journal_access(handle, inode, &xs->bucket,
+ ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret < 0) {
mlog_errno(ret);
@@ -4151,7 +4203,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode,
}

ocfs2_xattr_set_entry_normal(inode, xi, xs, name_hash, local);
- ocfs2_xattr_bucket_journal_dirty(handle, inode, &xs->bucket);
+ ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);

out:
ocfs2_commit_trans(osb, handle);
@@ -4264,10 +4316,10 @@ static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode,
struct ocfs2_xattr_entry *xe = xs->here;
struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)xs->base;

- BUG_ON(!xs->bucket.bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe));
+ BUG_ON(!xs->bucket->bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe));

offset = xe - xh->xh_entries;
- ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket.bu_bhs[0],
+ ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket->bu_bhs[0],
offset, len);
if (ret)
mlog_errno(ret);
@@ -4387,7 +4439,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode,
struct ocfs2_xattr_search *xs)
{
handle_t *handle = NULL;
- struct ocfs2_xattr_header *xh = bucket_xh(&xs->bucket);
+ struct ocfs2_xattr_header *xh = bucket_xh(xs->bucket);
struct ocfs2_xattr_entry *last = &xh->xh_entries[
le16_to_cpu(xh->xh_count) - 1];
int ret = 0;
@@ -4400,7 +4452,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode,
return;
}

- ret = ocfs2_xattr_bucket_journal_access(handle, inode, &xs->bucket,
+ ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
@@ -4413,7 +4465,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode,
memset(last, 0, sizeof(struct ocfs2_xattr_entry));
le16_add_cpu(&xh->xh_count, -1);

- ocfs2_xattr_bucket_journal_dirty(handle, inode, &xs->bucket);
+ ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);

out_commit:
ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
@@ -4565,7 +4617,7 @@ try_again:

mlog_bug_on_msg(header_size > blocksize, "bucket %llu has header size "
"of %u which exceed block size\n",
- (unsigned long long)bucket_blkno(&xs->bucket),
+ (unsigned long long)bucket_blkno(xs->bucket),
header_size);

if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE)
@@ -4605,7 +4657,7 @@ try_again:
mlog(0, "xs->not_found = %d, in xattr bucket %llu: free = %d, "
"need = %d, max_free = %d, xh_free_start = %u, xh_name_value_len ="
" %u\n", xs->not_found,
- (unsigned long long)bucket_blkno(&xs->bucket),
+ (unsigned long long)bucket_blkno(xs->bucket),
free, need, max_free, le16_to_cpu(xh->xh_free_start),
le16_to_cpu(xh->xh_name_value_len));

@@ -4617,7 +4669,7 @@ try_again:
* name/value will be moved, the xe shouldn't be changed
* in xs.
*/
- ret = ocfs2_defrag_xattr_bucket(inode, &xs->bucket);
+ ret = ocfs2_defrag_xattr_bucket(inode, xs->bucket);
if (ret) {
mlog_errno(ret);
goto out;
@@ -4649,7 +4701,7 @@ try_again:
* add a new bucket for the insert.
*/
ret = ocfs2_check_xattr_bucket_collision(inode,
- &xs->bucket,
+ xs->bucket,
xi->name);
if (ret) {
mlog_errno(ret);
@@ -4658,14 +4710,13 @@ try_again:

ret = ocfs2_add_new_xattr_bucket(inode,
xs->xattr_bh,
- xs->bucket.bu_bhs[0]);
+ xs->bucket->bu_bhs[0]);
if (ret) {
mlog_errno(ret);
goto out;
}

- ocfs2_xattr_bucket_relse(inode, &xs->bucket);
- memset(&xs->bucket, 0, sizeof(xs->bucket));
+ ocfs2_xattr_bucket_relse(xs->bucket);

ret = ocfs2_xattr_index_block_find(inode, xs->xattr_bh,
xi->name_index,
--
1.5.6


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