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Merge tag 'for_v5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

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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()
  ...
This commit is contained in:
Linus Torvalds
2019-11-30 11:16:07 -08:00
parent e2d73c302b 545886fead
commit b8072d5b3c
21 changed files with 248 additions and 243 deletions
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2
include/linux/quota.h
View File

@@ -263,7 +263,7 @@ enum {
};
struct dqstats {
int stat[_DQST_DQSTAT_LAST];
unsigned long stat[_DQST_DQSTAT_LAST];
struct percpu_counter counter[_DQST_DQSTAT_LAST];
};

14
include/linux/quotaops.h
View File

@@ -54,6 +54,16 @@ static inline struct dquot *dqgrab(struct dquot *dquot)
atomic_inc(&dquot->dq_count);
return dquot;
}
static inline bool dquot_is_busy(struct dquot *dquot)
{
if (test_bit(DQ_MOD_B, &dquot->dq_flags))
return true;
if (atomic_read(&dquot->dq_count) > 1)
return true;
return false;
}
void dqput(struct dquot *dquot);
int dquot_scan_active(struct super_block *sb,
int (*fn)(struct dquot *dquot, unsigned long priv),
@@ -87,7 +97,9 @@ int dquot_mark_dquot_dirty(struct dquot *dquot);
int dquot_file_open(struct inode *inode, struct file *file);
int dquot_enable(struct inode *inode, int type, int format_id,
int dquot_load_quota_sb(struct super_block *sb, int type, int format_id,
unsigned int flags);
int dquot_load_quota_inode(struct inode *inode, int type, int format_id,
unsigned int flags);
int dquot_quota_on(struct super_block *sb, int type, int format_id,
const struct path *path);