diff options
Diffstat (limited to 'fs/ext4')
-rw-r--r-- | fs/ext4/block_validity.c | 1 | ||||
-rw-r--r-- | fs/ext4/extents.c | 1 | ||||
-rw-r--r-- | fs/ext4/ialloc.c | 4 | ||||
-rw-r--r-- | fs/ext4/inode.c | 8 | ||||
-rw-r--r-- | fs/ext4/mballoc.c | 22 | ||||
-rw-r--r-- | fs/ext4/migrate.c | 1 | ||||
-rw-r--r-- | fs/ext4/move_extent.c | 1 | ||||
-rw-r--r-- | fs/ext4/super.c | 29 | ||||
-rw-r--r-- | fs/ext4/xattr_security.c | 1 |
9 files changed, 42 insertions, 26 deletions
diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c index 983f0e12749..538c4865508 100644 --- a/fs/ext4/block_validity.c +++ b/fs/ext4/block_validity.c @@ -18,6 +18,7 @@ #include <linux/pagemap.h> #include <linux/blkdev.h> #include <linux/mutex.h> +#include <linux/slab.h> #include "ext4.h" struct ext4_system_zone { diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 94c8ee81f5e..236b834b4ca 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3879,6 +3879,7 @@ static int ext4_xattr_fiemap(struct inode *inode, physical += offset; length = EXT4_SB(inode->i_sb)->s_inode_size - offset; flags |= FIEMAP_EXTENT_DATA_INLINE; + brelse(iloc.bh); } else { /* external block */ physical = EXT4_I(inode)->i_file_acl << blockbits; length = inode->i_sb->s_blocksize; diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 361c0b9962a..57f6eef6ccd 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -263,7 +263,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode) ext4_group_t f; f = ext4_flex_group(sbi, block_group); - atomic_dec(&sbi->s_flex_groups[f].free_inodes); + atomic_dec(&sbi->s_flex_groups[f].used_dirs); } } @@ -773,7 +773,7 @@ static int ext4_claim_inode(struct super_block *sb, if (sbi->s_log_groups_per_flex) { ext4_group_t f = ext4_flex_group(sbi, group); - atomic_inc(&sbi->s_flex_groups[f].free_inodes); + atomic_inc(&sbi->s_flex_groups[f].used_dirs); } } gdp->bg_checksum = ext4_group_desc_csum(sbi, group, gdp); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 986120f3006..81d60541284 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -39,6 +39,7 @@ #include <linux/bio.h> #include <linux/workqueue.h> #include <linux/kernel.h> +#include <linux/slab.h> #include "ext4_jbd2.h" #include "xattr.h" @@ -1035,7 +1036,7 @@ static int ext4_indirect_calc_metadata_amount(struct inode *inode, sector_t lblock) { struct ext4_inode_info *ei = EXT4_I(inode); - int dind_mask = EXT4_ADDR_PER_BLOCK(inode->i_sb) - 1; + sector_t dind_mask = ~((sector_t)EXT4_ADDR_PER_BLOCK(inode->i_sb) - 1); int blk_bits; if (lblock < EXT4_NDIR_BLOCKS) @@ -1050,7 +1051,7 @@ static int ext4_indirect_calc_metadata_amount(struct inode *inode, } ei->i_da_metadata_calc_last_lblock = lblock & dind_mask; ei->i_da_metadata_calc_len = 1; - blk_bits = roundup_pow_of_two(lblock + 1); + blk_bits = order_base_2(lblock); return (blk_bits / EXT4_ADDR_PER_BLOCK_BITS(inode->i_sb)) + 1; } @@ -5374,7 +5375,7 @@ int ext4_write_inode(struct inode *inode, struct writeback_control *wbc) } else { struct ext4_iloc iloc; - err = ext4_get_inode_loc(inode, &iloc); + err = __ext4_get_inode_loc(inode, &iloc, 0); if (err) return err; if (wbc->sync_mode == WB_SYNC_ALL) @@ -5385,6 +5386,7 @@ int ext4_write_inode(struct inode *inode, struct writeback_control *wbc) (unsigned long long)iloc.bh->b_blocknr); err = -EIO; } + brelse(iloc.bh); } return err; } diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 54df209d2ee..b423a364dca 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -23,6 +23,7 @@ #include "mballoc.h" #include <linux/debugfs.h> +#include <linux/slab.h> #include <trace/events/ext4.h> /* @@ -2534,6 +2535,17 @@ static void release_blocks_on_commit(journal_t *journal, transaction_t *txn) mb_debug(1, "gonna free %u blocks in group %u (0x%p):", entry->count, entry->group, entry); + if (test_opt(sb, DISCARD)) { + ext4_fsblk_t discard_block; + + discard_block = entry->start_blk + + ext4_group_first_block_no(sb, entry->group); + trace_ext4_discard_blocks(sb, + (unsigned long long)discard_block, + entry->count); + sb_issue_discard(sb, discard_block, entry->count); + } + err = ext4_mb_load_buddy(sb, entry->group, &e4b); /* we expect to find existing buddy because it's pinned */ BUG_ON(err != 0); @@ -2555,16 +2567,6 @@ static void release_blocks_on_commit(journal_t *journal, transaction_t *txn) page_cache_release(e4b.bd_bitmap_page); } ext4_unlock_group(sb, entry->group); - if (test_opt(sb, DISCARD)) { - ext4_fsblk_t discard_block; - - discard_block = entry->start_blk + - ext4_group_first_block_no(sb, entry->group); - trace_ext4_discard_blocks(sb, - (unsigned long long)discard_block, - entry->count); - sb_issue_discard(sb, discard_block, entry->count); - } kmem_cache_free(ext4_free_ext_cachep, entry); ext4_mb_release_desc(&e4b); } diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c index 8b87bd0eac9..34dcfc52ef4 100644 --- a/fs/ext4/migrate.c +++ b/fs/ext4/migrate.c @@ -13,6 +13,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include "ext4_jbd2.h" #include "ext4_extents.h" diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index aa5fe28d180..d1fc662cc31 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -15,6 +15,7 @@ #include <linux/fs.h> #include <linux/quotaops.h> +#include <linux/slab.h> #include "ext4_jbd2.h" #include "ext4_extents.h" #include "ext4.h" diff --git a/fs/ext4/super.c b/fs/ext4/super.c index ba191dae873..e14d22c170d 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -68,7 +68,21 @@ static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf); static int ext4_unfreeze(struct super_block *sb); static void ext4_write_super(struct super_block *sb); static int ext4_freeze(struct super_block *sb); +static int ext4_get_sb(struct file_system_type *fs_type, int flags, + const char *dev_name, void *data, struct vfsmount *mnt); +#if !defined(CONFIG_EXT3_FS) && !defined(CONFIG_EXT3_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23) +static struct file_system_type ext3_fs_type = { + .owner = THIS_MODULE, + .name = "ext3", + .get_sb = ext4_get_sb, + .kill_sb = kill_block_super, + .fs_flags = FS_REQUIRES_DEV, +}; +#define IS_EXT3_SB(sb) ((sb)->s_bdev->bd_holder == &ext3_fs_type) +#else +#define IS_EXT3_SB(sb) (0) +#endif ext4_fsblk_t ext4_block_bitmap(struct super_block *sb, struct ext4_group_desc *bg) @@ -2539,7 +2553,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) * enable delayed allocation by default * Use -o nodelalloc to turn it off */ - set_opt(sbi->s_mount_opt, DELALLOC); + if (!IS_EXT3_SB(sb)) + set_opt(sbi->s_mount_opt, DELALLOC); if (!parse_options((char *) data, sb, &journal_devnum, &journal_ioprio, NULL, 0)) @@ -4068,7 +4083,7 @@ static int ext4_get_sb(struct file_system_type *fs_type, int flags, return get_sb_bdev(fs_type, flags, dev_name, data, ext4_fill_super,mnt); } -#if !defined(CONTIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23) +#if !defined(CONFIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23) static struct file_system_type ext2_fs_type = { .owner = THIS_MODULE, .name = "ext2", @@ -4095,15 +4110,7 @@ static inline void register_as_ext2(void) { } static inline void unregister_as_ext2(void) { } #endif -#if !defined(CONTIG_EXT3_FS) && !defined(CONFIG_EXT3_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23) -static struct file_system_type ext3_fs_type = { - .owner = THIS_MODULE, - .name = "ext3", - .get_sb = ext4_get_sb, - .kill_sb = kill_block_super, - .fs_flags = FS_REQUIRES_DEV, -}; - +#if !defined(CONFIG_EXT3_FS) && !defined(CONFIG_EXT3_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23) static inline void register_as_ext3(void) { int err = register_filesystem(&ext3_fs_type); diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c index 983c253999a..8b145e98df0 100644 --- a/fs/ext4/xattr_security.c +++ b/fs/ext4/xattr_security.c @@ -7,6 +7,7 @@ #include <linux/string.h> #include <linux/fs.h> #include <linux/security.h> +#include <linux/slab.h> #include "ext4_jbd2.h" #include "ext4.h" #include "xattr.h" |