quota: use flags interface for dquot alloc/free space

[pandora-kernel.git] / fs / quota / dquot.c

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index e0b870f..8c40c07 100644 (file)
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -80,8 +80,6 @@
 
 #include <asm/uaccess.h>
 
-#define __DQUOT_PARANOIA
-
 /*
  * There are three quota SMP locks. dq_list_lock protects all lists with quotas
  * and quota formats, dqstats structure containing statistics about the lists
@@ -695,7 +693,7 @@ void dqput(struct dquot *dquot)
 
        if (!dquot)
                return;
-#ifdef __DQUOT_PARANOIA
+#ifdef CONFIG_QUOTA_DEBUG
        if (!atomic_read(&dquot->dq_count)) {
                printk("VFS: dqput: trying to free free dquot\n");
                printk("VFS: device %s, dquot of %s %d\n",
@@ -748,7 +746,7 @@ we_slept:
                goto we_slept;
        }
        atomic_dec(&dquot->dq_count);
-#ifdef __DQUOT_PARANOIA
+#ifdef CONFIG_QUOTA_DEBUG
        /* sanity check */
        BUG_ON(!list_empty(&dquot->dq_free));
 #endif
@@ -845,7 +843,7 @@ we_slept:
                dquot = NULL;
                goto out;
        }
-#ifdef __DQUOT_PARANOIA
+#ifdef CONFIG_QUOTA_DEBUG
        BUG_ON(!dquot->dq_sb);  /* Has somebody invalidated entry under us? */
 #endif
 out:
@@ -874,14 +872,18 @@ static int dqinit_needed(struct inode *inode, int type)
 static void add_dquot_ref(struct super_block *sb, int type)
 {
        struct inode *inode, *old_inode = NULL;
+#ifdef CONFIG_QUOTA_DEBUG
        int reserved = 0;
+#endif
 
        spin_lock(&inode_lock);
        list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
                if (inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE|I_NEW))
                        continue;
+#ifdef CONFIG_QUOTA_DEBUG
                if (unlikely(inode_get_rsv_space(inode) > 0))
                        reserved = 1;
+#endif
                if (!atomic_read(&inode->i_writecount))
                        continue;
                if (!dqinit_needed(inode, type))
@@ -903,11 +905,13 @@ static void add_dquot_ref(struct super_block *sb, int type)
        spin_unlock(&inode_lock);
        iput(old_inode);
 
+#ifdef CONFIG_QUOTA_DEBUG
        if (reserved) {
                printk(KERN_WARNING "VFS (%s): Writes happened before quota"
                        " was turned on thus quota information is probably "
                        "inconsistent. Please run quotacheck(8).\n", sb->s_id);
        }
+#endif
 }
 
 /*
@@ -934,7 +938,7 @@ static int remove_inode_dquot_ref(struct inode *inode, int type,
        inode->i_dquot[type] = NULL;
        if (dquot) {
                if (dqput_blocks(dquot)) {
-#ifdef __DQUOT_PARANOIA
+#ifdef CONFIG_QUOTA_DEBUG
                        if (atomic_read(&dquot->dq_count) != 1)
                                printk(KERN_WARNING "VFS: Adding dquot with dq_count %d to dispose list.\n", atomic_read(&dquot->dq_count));
 #endif
@@ -1484,11 +1488,12 @@ static void inode_decr_space(struct inode *inode, qsize_t number, int reserve)
 /*
  * This operation can block, but only after everything is updated
  */
-int __dquot_alloc_space(struct inode *inode, qsize_t number,
-               int warn, int reserve)
+int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags)
 {
        int cnt, ret = 0;
        char warntype[MAXQUOTAS];
+       int warn = flags & DQUOT_SPACE_WARN;
+       int reserve = flags & DQUOT_SPACE_RESERVE;
 
        /*
         * First test before acquiring mutex - solves deadlocks when we
@@ -1608,10 +1613,11 @@ EXPORT_SYMBOL(dquot_claim_space_nodirty);
 /*
  * This operation can block, but only after everything is updated
  */
-void __dquot_free_space(struct inode *inode, qsize_t number, int reserve)
+void __dquot_free_space(struct inode *inode, qsize_t number, int flags)
 {
        unsigned int cnt;
        char warntype[MAXQUOTAS];
+       int reserve = flags & DQUOT_SPACE_RESERVE;
 
        /* First test before acquiring mutex - solves deadlocks when we
          * re-enter the quota code and are already holding the mutex */
@@ -2322,34 +2328,34 @@ static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
        if (di->dqb_valid & QIF_SPACE) {
                dm->dqb_curspace = di->dqb_curspace - dm->dqb_rsvspace;
                check_blim = 1;
-               __set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags);
+               set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags);
        }
        if (di->dqb_valid & QIF_BLIMITS) {
                dm->dqb_bsoftlimit = qbtos(di->dqb_bsoftlimit);
                dm->dqb_bhardlimit = qbtos(di->dqb_bhardlimit);
                check_blim = 1;
-               __set_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags);
+               set_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags);
        }
        if (di->dqb_valid & QIF_INODES) {
                dm->dqb_curinodes = di->dqb_curinodes;
                check_ilim = 1;
-               __set_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags);
+               set_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags);
        }
        if (di->dqb_valid & QIF_ILIMITS) {
                dm->dqb_isoftlimit = di->dqb_isoftlimit;
                dm->dqb_ihardlimit = di->dqb_ihardlimit;
                check_ilim = 1;
-               __set_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags);
+               set_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags);
        }
        if (di->dqb_valid & QIF_BTIME) {
                dm->dqb_btime = di->dqb_btime;
                check_blim = 1;
-               __set_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags);
+               set_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags);
        }
        if (di->dqb_valid & QIF_ITIME) {
                dm->dqb_itime = di->dqb_itime;
                check_ilim = 1;
-               __set_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags);
+               set_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags);
        }
 
        if (check_blim) {