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Merge tag 'fs_for_4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull ext2, udf, and quota update from Jan Kara:
 "Some ext2 cleanups, a fix for UDF crash on corrupted media, and one
  quota locking fix"

* tag 'fs_for_4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  quota: Lock s_umount in exclusive mode for Q_XQUOTA{ON,OFF} quotactls.
  udf: Fix BUG on corrupted inode
  ext2: change reusable parameter to true when calling mb_cache_entry_create()
  ext2: remove redundant condition check
  ext2: avoid unnecessary operation in ext2_error()
This commit is contained in:
Linus Torvalds 2018-12-27 17:00:35 -08:00
commit e01799ac56
4 changed files with 15 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
fs/ext2/super.c
View File

@ -73,7 +73,7 @@ void ext2_error(struct super_block *sb, const char *function,
if (test_opt(sb, ERRORS_PANIC)) if (test_opt(sb, ERRORS_PANIC))
panic("EXT2-fs: panic from previous error\n"); panic("EXT2-fs: panic from previous error\n");
if (test_opt(sb, ERRORS_RO)) { if (!sb_rdonly(sb) && test_opt(sb, ERRORS_RO)) {
ext2_msg(sb, KERN_CRIT, ext2_msg(sb, KERN_CRIT,
"error: remounting filesystem read-only"); "error: remounting filesystem read-only");
sb->s_flags |= SB_RDONLY; sb->s_flags |= SB_RDONLY;
@ -148,10 +148,9 @@ static void ext2_put_super (struct super_block * sb)
ext2_quota_off_umount(sb); ext2_quota_off_umount(sb);
if (sbi->s_ea_block_cache) { ext2_xattr_destroy_cache(sbi->s_ea_block_cache);
ext2_xattr_destroy_cache(sbi->s_ea_block_cache); sbi->s_ea_block_cache = NULL;
sbi->s_ea_block_cache = NULL;
}
if (!sb_rdonly(sb)) { if (!sb_rdonly(sb)) {
struct ext2_super_block *es = sbi->s_es; struct ext2_super_block *es = sbi->s_es;
@ -1198,8 +1197,7 @@ cantfind_ext2:
sb->s_id); sb->s_id);
goto failed_mount; goto failed_mount;
failed_mount3: failed_mount3:
if (sbi->s_ea_block_cache) ext2_xattr_destroy_cache(sbi->s_ea_block_cache);
ext2_xattr_destroy_cache(sbi->s_ea_block_cache);
percpu_counter_destroy(&sbi->s_freeblocks_counter); percpu_counter_destroy(&sbi->s_freeblocks_counter);
percpu_counter_destroy(&sbi->s_freeinodes_counter); percpu_counter_destroy(&sbi->s_freeinodes_counter);
percpu_counter_destroy(&sbi->s_dirs_counter); percpu_counter_destroy(&sbi->s_dirs_counter);

3
fs/ext2/xattr.c
View File

@ -835,7 +835,8 @@ ext2_xattr_cache_insert(struct mb_cache *cache, struct buffer_head *bh)
__u32 hash = le32_to_cpu(HDR(bh)->h_hash); __u32 hash = le32_to_cpu(HDR(bh)->h_hash);
int error; int error;
error = mb_cache_entry_create(cache, GFP_NOFS, hash, bh->b_blocknr, 1); error = mb_cache_entry_create(cache, GFP_NOFS, hash, bh->b_blocknr,
true);
if (error) { if (error) {
if (error == -EBUSY) { if (error == -EBUSY) {
ea_bdebug(bh, "already in cache (%d cache entries)", ea_bdebug(bh, "already in cache (%d cache entries)",

3
fs/quota/quota.c
View File

@ -791,7 +791,8 @@ static int quotactl_cmd_write(int cmd)
/* Return true if quotactl command is manipulating quota on/off state */ /* Return true if quotactl command is manipulating quota on/off state */
static bool quotactl_cmd_onoff(int cmd) static bool quotactl_cmd_onoff(int cmd)
{ {
return (cmd == Q_QUOTAON) || (cmd == Q_QUOTAOFF); return (cmd == Q_QUOTAON) || (cmd == Q_QUOTAOFF) ||
(cmd == Q_XQUOTAON) || (cmd == Q_XQUOTAOFF);
} }
/* /*

6
fs/udf/inode.c
View File

@ -1357,6 +1357,12 @@ reread:
iinfo->i_alloc_type = le16_to_cpu(fe->icbTag.flags) & iinfo->i_alloc_type = le16_to_cpu(fe->icbTag.flags) &
ICBTAG_FLAG_AD_MASK; ICBTAG_FLAG_AD_MASK;
if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_SHORT &&
iinfo->i_alloc_type != ICBTAG_FLAG_AD_LONG &&
iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) {
ret = -EIO;
goto out;
}
iinfo->i_unique = 0; iinfo->i_unique = 0;
iinfo->i_lenEAttr = 0; iinfo->i_lenEAttr = 0;
iinfo->i_lenExtents = 0; iinfo->i_lenExtents = 0;