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ocfs2: Define credit counts for quota operations 

Numbers of needed credits for some quota operations were written
as raw numbers. Create appropriate defines instead.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
This commit is contained in:
Jan Kara 2009-07-22 13:17:21 +02:00 коммит произвёл Joel Becker
Родитель 4539f1df25
Коммит 0584974a77
3 изменённых файлов: 36 добавлений и 13 удалений
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15
fs/ocfs2/journal.h
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@ -330,20 +330,27 @@ int ocfs2_journal_dirty(handle_t *handle,
/* extended attribute block update */
#define OCFS2_XATTR_BLOCK_UPDATE_CREDITS 1
/* global quotafile inode update, data block */
#define OCFS2_QINFO_WRITE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1)
/* Update of a single quota block */
#define OCFS2_QUOTA_BLOCK_UPDATE_CREDITS 1
/* global quotafile inode update, data block */
#define OCFS2_QINFO_WRITE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + \
OCFS2_QUOTA_BLOCK_UPDATE_CREDITS)
#define OCFS2_LOCAL_QINFO_WRITE_CREDITS OCFS2_QUOTA_BLOCK_UPDATE_CREDITS
/*
* The two writes below can accidentally see global info dirty due
* to set_info() quotactl so make them prepared for the writes.
*/
/* quota data block, global info */
/* Write to local quota file */
#define OCFS2_QWRITE_CREDITS (OCFS2_QINFO_WRITE_CREDITS + 1)
#define OCFS2_QWRITE_CREDITS (OCFS2_QINFO_WRITE_CREDITS + \
OCFS2_QUOTA_BLOCK_UPDATE_CREDITS)
/* global quota data block, local quota data block, global quota inode,
* global quota info */
#define OCFS2_QSYNC_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 3)
#define OCFS2_QSYNC_CREDITS (OCFS2_QINFO_WRITE_CREDITS + \
2 * OCFS2_QUOTA_BLOCK_UPDATE_CREDITS)
static inline int ocfs2_quota_trans_credits(struct super_block *sb)
{

18
fs/ocfs2/quota_global.c
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@ -648,10 +648,15 @@ int ocfs2_calc_qdel_credits(struct super_block *sb, int type)
return 0;
oinfo = sb_dqinfo(sb, type)->dqi_priv;
/* We modify tree, leaf block, global info, local chunk header,
* global and local inode */
return oinfo->dqi_gi.dqi_qtree_depth + 2 + 1 +
2 * OCFS2_INODE_UPDATE_CREDITS;
/*
* We modify tree, leaf block, global info, local chunk header,
* global and local inode; OCFS2_QINFO_WRITE_CREDITS already
* accounts for inode update
*/
return oinfo->dqi_gi.dqi_qtree_depth +
OCFS2_QINFO_WRITE_CREDITS +
2 * OCFS2_QUOTA_BLOCK_UPDATE_CREDITS +
OCFS2_INODE_UPDATE_CREDITS;
}
static int ocfs2_release_dquot(struct dquot *dquot)
@ -701,7 +706,10 @@ int ocfs2_calc_qinit_credits(struct super_block *sb, int type)
* global file we can modify info, tree and leaf block */
return ocfs2_calc_extend_credits(sb, &lfe->id2.i_list, 0) +
ocfs2_calc_extend_credits(sb, &gfe->id2.i_list, 0) +
3 + oinfo->dqi_gi.dqi_qtree_depth + 2;
OCFS2_LOCAL_QINFO_WRITE_CREDITS +
2 * OCFS2_QUOTA_BLOCK_UPDATE_CREDITS +
oinfo->dqi_gi.dqi_qtree_depth +
2 * OCFS2_QUOTA_BLOCK_UPDATE_CREDITS;
}
static int ocfs2_acquire_dquot(struct dquot *dquot)

16
fs/ocfs2/quota_local.c
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@ -101,7 +101,8 @@ static int ocfs2_modify_bh(struct inode *inode, struct buffer_head *bh,
handle_t *handle;
int status;
handle = ocfs2_start_trans(OCFS2_SB(sb), 1);
handle = ocfs2_start_trans(OCFS2_SB(sb),
OCFS2_QUOTA_BLOCK_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
@ -611,7 +612,8 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
goto out_bh;
/* Mark quota file as clean if we are recovering quota file of
* some other node. */
handle = ocfs2_start_trans(osb, 1);
handle = ocfs2_start_trans(osb,
OCFS2_LOCAL_QINFO_WRITE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
@ -965,7 +967,10 @@ static struct ocfs2_quota_chunk *ocfs2_local_quota_add_chunk(
mlog_errno(status);
goto out;
}
handle = ocfs2_start_trans(OCFS2_SB(sb), 3);
/* Local quota info and two new blocks we initialize */
handle = ocfs2_start_trans(OCFS2_SB(sb),
OCFS2_LOCAL_QINFO_WRITE_CREDITS +
2 * OCFS2_QUOTA_BLOCK_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
@ -1128,7 +1133,10 @@ static struct ocfs2_quota_chunk *ocfs2_extend_local_quota_file(
}
ocfs2_set_new_buffer_uptodate(lqinode, bh);
handle = ocfs2_start_trans(OCFS2_SB(sb), 3);
/* Local quota info, chunk header and the new block we initialize */
handle = ocfs2_start_trans(OCFS2_SB(sb),
OCFS2_LOCAL_QINFO_WRITE_CREDITS +
2 * OCFS2_QUOTA_BLOCK_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);