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dquot: cleanup inode allocation / freeing routines

Browse source 
Get rid of the alloc_inode and free_inode dquot operations - they are
always called from the filesystem and if a filesystem really needs
their own (which none currently does) it can just call into it's
own routine directly.

Also get rid of the vfs_dq_alloc/vfs_dq_free wrappers and always
call the lowlevel dquot_alloc_inode / dqout_free_inode routines
directly, which now lose the number argument which is always 1.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-03-03 09:05:01 -05:00 • committed by Jan Kara
commit 63936ddaa1
18 changed files with 61 additions and 107 deletions
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29
fs/quota/dquot.c
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@ -1531,15 +1531,15 @@ EXPORT_SYMBOL(__dquot_alloc_space);
/*
* This operation can block, but only after everything is updated
*/
int dquot_alloc_inode(const struct inode *inode, qsize_t number)
int dquot_alloc_inode(const struct inode *inode)
{
int cnt, ret = NO_QUOTA;
int cnt, ret = -EDQUOT;
char warntype[MAXQUOTAS];
/* First test before acquiring mutex - solves deadlocks when we
* re-enter the quota code and are already holding the mutex */
if (IS_NOQUOTA(inode))
return QUOTA_OK;
if (!sb_any_quota_active(inode->i_sb) || IS_NOQUOTA(inode))
return 0;
for (cnt = 0; cnt < MAXQUOTAS; cnt++)
warntype[cnt] = QUOTA_NL_NOWARN;
down_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
@ -1547,7 +1547,7 @@ int dquot_alloc_inode(const struct inode *inode, qsize_t number)
for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
if (!inode->i_dquot[cnt])
continue;
if (check_idq(inode->i_dquot[cnt], number, warntype+cnt)
if (check_idq(inode->i_dquot[cnt], 1, warntype+cnt)
== NO_QUOTA)
goto warn_put_all;
}
@ -1555,12 +1555,12 @@ int dquot_alloc_inode(const struct inode *inode, qsize_t number)
for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
if (!inode->i_dquot[cnt])
continue;
dquot_incr_inodes(inode->i_dquot[cnt], number);
dquot_incr_inodes(inode->i_dquot[cnt], 1);
}
ret = QUOTA_OK;
ret = 0;
warn_put_all:
spin_unlock(&dq_data_lock);
if (ret == QUOTA_OK)
if (ret == 0)
mark_all_dquot_dirty(inode->i_dquot);
flush_warnings(inode->i_dquot, warntype);
up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
@ -1638,29 +1638,28 @@ EXPORT_SYMBOL(__dquot_free_space);
/*
* This operation can block, but only after everything is updated
*/
int dquot_free_inode(const struct inode *inode, qsize_t number)
void dquot_free_inode(const struct inode *inode)
{
unsigned int cnt;
char warntype[MAXQUOTAS];
/* First test before acquiring mutex - solves deadlocks when we
* re-enter the quota code and are already holding the mutex */
if (IS_NOQUOTA(inode))
return QUOTA_OK;
if (!sb_any_quota_active(inode->i_sb) || IS_NOQUOTA(inode))
return;
down_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
spin_lock(&dq_data_lock);
for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
if (!inode->i_dquot[cnt])
continue;
warntype[cnt] = info_idq_free(inode->i_dquot[cnt], number);
dquot_decr_inodes(inode->i_dquot[cnt], number);
warntype[cnt] = info_idq_free(inode->i_dquot[cnt], 1);
dquot_decr_inodes(inode->i_dquot[cnt], 1);
}
spin_unlock(&dq_data_lock);
mark_all_dquot_dirty(inode->i_dquot);
flush_warnings(inode->i_dquot, warntype);
up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
return QUOTA_OK;
}
EXPORT_SYMBOL(dquot_free_inode);
@ -1815,8 +1814,6 @@ EXPORT_SYMBOL(dquot_commit_info);
const struct dquot_operations dquot_operations = {
.initialize = dquot_initialize,
.drop = dquot_drop,
.alloc_inode = dquot_alloc_inode,
.free_inode = dquot_free_inode,
.transfer = dquot_transfer,
.write_dquot = dquot_commit,
.acquire_dquot = dquot_acquire,