summaryrefslogtreecommitdiffstats
path: root/fs/ext2/ext2.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2019-11-30 20:16:07 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2019-11-30 20:16:07 +0100
commitb8072d5b3cdd596c999f6e3f312ce7e4858ca356 (patch)
treeae4538250f20288355b5885129e611112cf1480d /fs/ext2/ext2.h
parentMerge tag 'erofs-for-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
parentext2: code cleanup for descriptor_loc() (diff)
downloadlinux-b8072d5b3cdd596c999f6e3f312ce7e4858ca356.tar.xz
linux-b8072d5b3cdd596c999f6e3f312ce7e4858ca356.zip
Merge tag 'for_v5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2, quota, reiserfs cleanups and fixes from Jan Kara: - Refactor the quota on/off kernel internal interfaces (mostly for ubifs quota support as ubifs does not want to have inodes holding quota information) - A few other small quota fixes and cleanups - Various small ext2 fixes and cleanups - Reiserfs xattr fix and one cleanup * tag 'for_v5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: (28 commits) ext2: code cleanup for descriptor_loc() fs/quota: handle overflows of sysctl fs.quota.* and report as unsigned long ext2: fix improper function comment ext2: code cleanup for ext2_try_to_allocate() ext2: skip unnecessary operations in ext2_try_to_allocate() ext2: Simplify initialization in ext2_try_to_allocate() ext2: code cleanup by calling ext2_group_last_block_no() ext2: introduce new helper ext2_group_last_block_no() reiserfs: replace open-coded atomic_dec_and_mutex_lock() ext2: check err when partial != NULL quota: Handle quotas without quota inodes in dquot_get_state() quota: Make dquot_disable() work without quota inodes quota: Drop dquot_enable() fs: Use dquot_load_quota_inode() from filesystems quota: Rename vfs_load_quota_inode() to dquot_load_quota_inode() quota: Simplify dquot_resume() quota: Factor out setup of quota inode quota: Check that quota is not dirty before release quota: fix livelock in dquot_writeback_dquots ext2: don't set *count in the case of failure in ext2_try_to_allocate() ...
Diffstat (limited to 'fs/ext2/ext2.h')
-rw-r--r--fs/ext2/ext2.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 10ab238de9a6..8178bd38a9d6 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -813,6 +813,18 @@ ext2_group_first_block_no(struct super_block *sb, unsigned long group_no)
le32_to_cpu(EXT2_SB(sb)->s_es->s_first_data_block);
}
+static inline ext2_fsblk_t
+ext2_group_last_block_no(struct super_block *sb, unsigned long group_no)
+{
+ struct ext2_sb_info *sbi = EXT2_SB(sb);
+
+ if (group_no == sbi->s_groups_count - 1)
+ return le32_to_cpu(sbi->s_es->s_blocks_count) - 1;
+ else
+ return ext2_group_first_block_no(sb, group_no) +
+ EXT2_BLOCKS_PER_GROUP(sb) - 1;
+}
+
#define ext2_set_bit __test_and_set_bit_le
#define ext2_clear_bit __test_and_clear_bit_le
#define ext2_test_bit test_bit_le