-Index: linux-2.6.9-42.0.10.EL_lustre.1.4.10/include/linux/ext3_fs_sb.h
+Index: linux-2.6.9-full/include/linux/ext3_fs.h
===================================================================
---- linux-2.6.9-42.0.10.EL_lustre.1.4.10.orig/include/linux/ext3_fs_sb.h 2007-06-14 13:59:04.000000000 +0200
-+++ linux-2.6.9-42.0.10.EL_lustre.1.4.10/include/linux/ext3_fs_sb.h 2007-06-14 14:16:57.000000000 +0200
-@@ -81,6 +81,61 @@ struct ext3_sb_info {
- char *s_qf_names[MAXQUOTAS]; /* Names of quota files with journalled quota */
- int s_jquota_fmt; /* Format of quota to use */
- #endif
-+
-+ /* for buddy allocator */
-+ struct ext3_group_info ***s_group_info;
-+ struct inode *s_buddy_cache;
-+ long s_blocks_reserved;
-+ spinlock_t s_reserve_lock;
-+ struct list_head s_active_transaction;
-+ struct list_head s_closed_transaction;
-+ struct list_head s_committed_transaction;
-+ spinlock_t s_md_lock;
-+ tid_t s_last_transaction;
-+ unsigned short *s_mb_offsets, *s_mb_maxs;
-+
-+ /* tunables */
-+ unsigned long s_mb_factor;
-+ unsigned long s_stripe;
-+ unsigned long s_mb_stream_request;
-+ unsigned long s_mb_max_to_scan;
-+ unsigned long s_mb_min_to_scan;
-+ unsigned long s_mb_max_groups_to_scan;
-+ unsigned long s_mb_stats;
-+ unsigned long s_mb_order2_reqs;
-+
-+ /* history to debug policy */
-+ struct ext3_mb_history *s_mb_history;
-+ int s_mb_history_cur;
-+ int s_mb_history_max;
-+ int s_mb_history_num;
-+ struct proc_dir_entry *s_mb_proc;
-+ spinlock_t s_mb_history_lock;
-+ int s_mb_history_filter;
-+
-+ /* stats for buddy allocator */
-+ spinlock_t s_mb_pa_lock;
-+ atomic_t s_bal_reqs; /* number of reqs with len > 1 */
-+ atomic_t s_bal_success; /* we found long enough chunks */
-+ atomic_t s_bal_allocated; /* in blocks */
-+ atomic_t s_bal_ex_scanned; /* total extents scanned */
-+ atomic_t s_bal_goals; /* goal hits */
-+ atomic_t s_bal_breaks; /* too long searches */
-+ atomic_t s_bal_2orders; /* 2^order hits */
-+ spinlock_t s_bal_lock;
-+ unsigned long s_mb_buddies_generated;
-+ unsigned long long s_mb_generation_time;
-+ atomic_t s_mb_lost_chunks;
-+ atomic_t s_mb_preallocated;
-+ atomic_t s_mb_discarded;
-+
-+ /* locality groups */
-+ struct ext3_locality_group *s_locality_groups;
-+
- };
-
-+#define EXT3_GROUP_INFO(sb, group) \
-+ EXT3_SB(sb)->s_group_info[(group) >> EXT3_DESC_PER_BLOCK_BITS(sb)] \
-+ [(group) & (EXT3_DESC_PER_BLOCK(sb) - 1)]
-+
- #endif /* _LINUX_EXT3_FS_SB */
-Index: linux-2.6.9-42.0.10.EL_lustre.1.4.10/include/linux/ext3_fs.h
-===================================================================
---- linux-2.6.9-42.0.10.EL_lustre.1.4.10.orig/include/linux/ext3_fs.h 2007-06-14 13:59:04.000000000 +0200
-+++ linux-2.6.9-42.0.10.EL_lustre.1.4.10/include/linux/ext3_fs.h 2007-06-14 14:16:57.000000000 +0200
+--- linux-2.6.9-full.orig/include/linux/ext3_fs.h 2007-06-08 23:44:08.000000000 +0400
++++ linux-2.6.9-full/include/linux/ext3_fs.h 2007-06-29 11:31:13.000000000 +0400
@@ -57,6 +57,30 @@ struct statfs;
#define ext3_debug(f, a...) do {} while (0)
#endif
/* inode.c */
extern int ext3_block_truncate_page(handle_t *, struct page *,
-Index: linux-2.6.9-42.0.10.EL_lustre.1.4.10/fs/ext3/super.c
+Index: linux-2.6.9-full/include/linux/ext3_fs_sb.h
===================================================================
---- linux-2.6.9-42.0.10.EL_lustre.1.4.10.orig/fs/ext3/super.c 2007-06-14 13:59:04.000000000 +0200
-+++ linux-2.6.9-42.0.10.EL_lustre.1.4.10/fs/ext3/super.c 2007-06-14 14:16:57.000000000 +0200
+--- linux-2.6.9-full.orig/include/linux/ext3_fs_sb.h 2007-06-08 23:44:07.000000000 +0400
++++ linux-2.6.9-full/include/linux/ext3_fs_sb.h 2007-06-29 11:31:13.000000000 +0400
+@@ -81,6 +81,61 @@ struct ext3_sb_info {
+ char *s_qf_names[MAXQUOTAS]; /* Names of quota files with journalled quota */
+ int s_jquota_fmt; /* Format of quota to use */
+ #endif
++
++ /* for buddy allocator */
++ struct ext3_group_info ***s_group_info;
++ struct inode *s_buddy_cache;
++ long s_blocks_reserved;
++ spinlock_t s_reserve_lock;
++ struct list_head s_active_transaction;
++ struct list_head s_closed_transaction;
++ struct list_head s_committed_transaction;
++ spinlock_t s_md_lock;
++ tid_t s_last_transaction;
++ unsigned short *s_mb_offsets, *s_mb_maxs;
++
++ /* tunables */
++ unsigned long s_mb_factor;
++ unsigned long s_stripe;
++ unsigned long s_mb_stream_request;
++ unsigned long s_mb_max_to_scan;
++ unsigned long s_mb_min_to_scan;
++ unsigned long s_mb_max_groups_to_scan;
++ unsigned long s_mb_stats;
++ unsigned long s_mb_order2_reqs;
++
++ /* history to debug policy */
++ struct ext3_mb_history *s_mb_history;
++ int s_mb_history_cur;
++ int s_mb_history_max;
++ int s_mb_history_num;
++ struct proc_dir_entry *s_mb_proc;
++ spinlock_t s_mb_history_lock;
++ int s_mb_history_filter;
++
++ /* stats for buddy allocator */
++ spinlock_t s_mb_pa_lock;
++ atomic_t s_bal_reqs; /* number of reqs with len > 1 */
++ atomic_t s_bal_success; /* we found long enough chunks */
++ atomic_t s_bal_allocated; /* in blocks */
++ atomic_t s_bal_ex_scanned; /* total extents scanned */
++ atomic_t s_bal_goals; /* goal hits */
++ atomic_t s_bal_breaks; /* too long searches */
++ atomic_t s_bal_2orders; /* 2^order hits */
++ spinlock_t s_bal_lock;
++ unsigned long s_mb_buddies_generated;
++ unsigned long long s_mb_generation_time;
++ atomic_t s_mb_lost_chunks;
++ atomic_t s_mb_preallocated;
++ atomic_t s_mb_discarded;
++
++ /* locality groups */
++ struct ext3_locality_group *s_locality_groups;
++
+ };
+
++#define EXT3_GROUP_INFO(sb, group) \
++ EXT3_SB(sb)->s_group_info[(group) >> EXT3_DESC_PER_BLOCK_BITS(sb)] \
++ [(group) & (EXT3_DESC_PER_BLOCK(sb) - 1)]
++
+ #endif /* _LINUX_EXT3_FS_SB */
+Index: linux-2.6.9-full/fs/ext3/super.c
+===================================================================
+--- linux-2.6.9-full.orig/fs/ext3/super.c 2007-06-08 23:44:08.000000000 +0400
++++ linux-2.6.9-full/fs/ext3/super.c 2007-06-29 11:31:13.000000000 +0400
@@ -394,6 +394,7 @@ void ext3_put_super (struct super_block
struct ext3_super_block *es = sbi->s_es;
int i;
}
int ext3_prep_san_write(struct inode *inode, long *blocks,
-Index: linux-2.6.9-42.0.10.EL_lustre.1.4.10/fs/ext3/mballoc.c
+Index: linux-2.6.9-full/fs/ext3/mballoc.c
===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.9-42.0.10.EL_lustre.1.4.10/fs/ext3/mballoc.c 2007-06-14 14:19:27.000000000 +0200
-@@ -0,0 +1,4369 @@
+--- linux-2.6.9-full.orig/fs/ext3/mballoc.c 2007-06-17 11:25:39.317298699 +0400
++++ linux-2.6.9-full/fs/ext3/mballoc.c 2007-06-29 12:06:50.000000000 +0400
+@@ -0,0 +1,4371 @@
+/*
+ * Copyright (c) 2003-2006, Cluster File Systems, Inc, info@clusterfs.com
+ * Written by Alex Tomas <alex@clusterfs.com>
+ struct ext3_sb_info *sbi;
+ struct super_block *sb;
+ sector_t block;
-+ int len, err;
++ int err;
+
+ BUG_ON(ac->ac_status != AC_STATUS_FOUND);
+ BUG_ON(ac->ac_b_ex.fe_len <= 0);
+ ext3_debug("using block group %d(%d)\n", ac->ac_b_group.group,
+ gdp->bg_free_blocks_count);
+
-+ /* time to check quota, we can't do this before because
-+ * having quota spent on preallocated-unused-yet blocks
-+ * would be wrong */
-+ len = ac->ac_b_ex.fe_len;
-+ while (len && DQUOT_ALLOC_BLOCK(ac->ac_inode, len)) len--;
-+ if (ac->ac_b_ex.fe_len != len) {
-+ /* some blocks can't be allocated due to quota
-+ * we have to return them back */
-+ BUG();
-+ }
-+ err = -EDQUOT;
-+ if (len == 0)
-+ goto out_err;
-+
+ err = -EIO;
+ bitmap_bh = read_block_bitmap(sb, ac->ac_b_ex.fe_group);
+ if (!bitmap_bh)
+ struct ext3_allocation_context ac;
+ struct ext3_sb_info *sbi;
+ struct super_block *sb;
-+ unsigned long block;
-+ int err, freed;
++ unsigned long block = 0;
++ int freed, inquota;
+
+ sb = ar->inode->i_sb;
+ sbi = EXT3_SB(sb);
+ printk(KERN_ERR "EXT3-fs: multiblock request with "
+ "mballoc disabled!\n");
+ ar->len = 1;
-+ err = ext3_new_block_old(handle, ar->inode, ar->goal, errp);
-+ return err;
++ block = ext3_new_block_old(handle, ar->inode, ar->goal, errp);
++ return block;
+ }
+
++ while (ar->len && DQUOT_ALLOC_BLOCK(ar->inode, ar->len)) {
++ ar->flags |= EXT3_MB_HINT_NOPREALLOC;
++ ar->len--;
++ }
++ if (ar->len == 0) {
++ *errp = -EDQUOT;
++ return 0;
++ }
++ inquota = ar->len;
++
+ ext3_mb_poll_new_transaction(sb, handle);
+
-+ if ((err = ext3_mb_initialize_context(&ac, ar)))
-+ return err;
++ if ((*errp = ext3_mb_initialize_context(&ac, ar))) {
++ ar->len = 0;
++ goto out;
++ }
+
+ ac.ac_op = EXT3_MB_HISTORY_PREALLOC;
+ if (!ext3_mb_use_preallocated(&ac)) {
+ goto repeat;
+ *errp = -ENOSPC;
+ ac.ac_b_ex.fe_len = 0;
-+ block = 0;
++ ar->len = 0;
+ ext3_mb_show_ac(&ac);
+ }
+
+ ext3_mb_release_context(&ac);
+
++out:
++ if (ar->len < inquota)
++ DQUOT_FREE_BLOCK(ar->inode, inquota - ar->len);
++
+ return block;
+}
+EXPORT_SYMBOL(ext3_mb_new_blocks);
git://git.whamcloud.com / fs / lustre-release.git / commitdiff