diff options
Diffstat (limited to 'fs/ext4/ialloc.c')
| -rw-r--r-- | fs/ext4/ialloc.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 916d05c881ca..82f7d1d7eae0 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -122,16 +122,16 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group) unlock_buffer(bh); return bh; } - spin_lock(sb_bgl_lock(EXT4_SB(sb), block_group)); + ext4_lock_group(sb, block_group); if (desc->bg_flags & cpu_to_le16(EXT4_BG_INODE_UNINIT)) { ext4_init_inode_bitmap(sb, bh, block_group, desc); set_bitmap_uptodate(bh); set_buffer_uptodate(bh); - spin_unlock(sb_bgl_lock(EXT4_SB(sb), block_group)); + ext4_unlock_group(sb, block_group); unlock_buffer(bh); return bh; } - spin_unlock(sb_bgl_lock(EXT4_SB(sb), block_group)); + ext4_unlock_group(sb, block_group); if (buffer_uptodate(bh)) { /* * if not uninit if bh is uptodate, @@ -246,9 +246,8 @@ void ext4_free_inode(handle_t *handle, struct inode *inode) goto error_return; /* Ok, now we can actually update the inode bitmaps.. */ - spin_lock(sb_bgl_lock(sbi, block_group)); - cleared = ext4_clear_bit(bit, bitmap_bh->b_data); - spin_unlock(sb_bgl_lock(sbi, block_group)); + cleared = ext4_clear_bit_atomic(ext4_group_lock_ptr(sb, block_group), + bit, bitmap_bh->b_data); if (!cleared) ext4_error(sb, "ext4_free_inode", "bit already cleared for inode %lu", ino); @@ -260,7 +259,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode) if (fatal) goto error_return; if (gdp) { - spin_lock(sb_bgl_lock(sbi, block_group)); + ext4_lock_group(sb, block_group); count = ext4_free_inodes_count(sb, gdp) + 1; ext4_free_inodes_set(sb, gdp, count); if (is_directory) { @@ -276,7 +275,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode) } gdp->bg_checksum = ext4_group_desc_csum(sbi, block_group, gdp); - spin_unlock(sb_bgl_lock(sbi, block_group)); + ext4_unlock_group(sb, block_group); percpu_counter_inc(&sbi->s_freeinodes_counter); if (is_directory) percpu_counter_dec(&sbi->s_dirs_counter); @@ -707,10 +706,10 @@ static int find_group_other(struct super_block *sb, struct inode *parent, /* * claim the inode from the inode bitmap. If the group - * is uninit we need to take the groups's sb_bgl_lock + * is uninit we need to take the groups's ext4_group_lock * and clear the uninit flag. The inode bitmap update * and group desc uninit flag clear should be done - * after holding sb_bgl_lock so that ext4_read_inode_bitmap + * after holding ext4_group_lock so that ext4_read_inode_bitmap * doesn't race with the ext4_claim_inode */ static int ext4_claim_inode(struct super_block *sb, @@ -721,7 +720,7 @@ static int ext4_claim_inode(struct super_block *sb, struct ext4_sb_info *sbi = EXT4_SB(sb); struct ext4_group_desc *gdp = ext4_get_group_desc(sb, group, NULL); - spin_lock(sb_bgl_lock(sbi, group)); + ext4_lock_group(sb, group); if (ext4_set_bit(ino, inode_bitmap_bh->b_data)) { /* not a free inode */ retval = 1; @@ -730,7 +729,7 @@ static int ext4_claim_inode(struct super_block *sb, ino++; if ((group == 0 && ino < EXT4_FIRST_INO(sb)) || ino > EXT4_INODES_PER_GROUP(sb)) { - spin_unlock(sb_bgl_lock(sbi, group)); + ext4_unlock_group(sb, group); ext4_error(sb, __func__, "reserved inode or inode > inodes count - " "block_group = %u, inode=%lu", group, @@ -779,7 +778,7 @@ static int ext4_claim_inode(struct super_block *sb, } gdp->bg_checksum = ext4_group_desc_csum(sbi, group, gdp); err_ret: - spin_unlock(sb_bgl_lock(sbi, group)); + ext4_unlock_group(sb, group); return retval; } @@ -935,7 +934,7 @@ got: } free = 0; - spin_lock(sb_bgl_lock(sbi, group)); + ext4_lock_group(sb, group); /* recheck and clear flag under lock if we still need to */ if (gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) { free = ext4_free_blocks_after_init(sb, group, gdp); @@ -944,7 +943,7 @@ got: gdp->bg_checksum = ext4_group_desc_csum(sbi, group, gdp); } - spin_unlock(sb_bgl_lock(sbi, group)); + ext4_unlock_group(sb, group); /* Don't need to dirty bitmap block if we didn't change it */ if (free) { |