diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-27 17:00:35 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-27 17:00:35 -0800 |
commit | e01799ac56306ab211f2edf1221a82dc57eab8f5 (patch) | |
tree | 2a5fd6e8885d397fdf7fbfa817bd13b6c5d8a9e9 /fs | |
parent | 4b0a383ad782d6028becea7602968d49a83ff5fc (diff) | |
parent | 41c4f85cdac280d356df1f483000ecec4a8868be (diff) |
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()
Diffstat (limited to 'fs')
-rw-r--r-- | fs/ext2/super.c | 12 | ||||
-rw-r--r-- | fs/ext2/xattr.c | 3 | ||||
-rw-r--r-- | fs/quota/quota.c | 3 | ||||
-rw-r--r-- | fs/udf/inode.c | 6 |
4 files changed, 15 insertions, 9 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c index eb11502e3fcd..73b2d528237f 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -73,7 +73,7 @@ void ext2_error(struct super_block *sb, const char *function, if (test_opt(sb, ERRORS_PANIC)) 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, "error: remounting filesystem read-only"); sb->s_flags |= SB_RDONLY; @@ -148,10 +148,9 @@ static void ext2_put_super (struct super_block * sb) ext2_quota_off_umount(sb); - if (sbi->s_ea_block_cache) { - ext2_xattr_destroy_cache(sbi->s_ea_block_cache); - sbi->s_ea_block_cache = NULL; - } + ext2_xattr_destroy_cache(sbi->s_ea_block_cache); + sbi->s_ea_block_cache = NULL; + if (!sb_rdonly(sb)) { struct ext2_super_block *es = sbi->s_es; @@ -1198,8 +1197,7 @@ cantfind_ext2: sb->s_id); goto failed_mount; 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_freeinodes_counter); percpu_counter_destroy(&sbi->s_dirs_counter); diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c index dd8f10db82e9..4f30876ee325 100644 --- a/fs/ext2/xattr.c +++ b/fs/ext2/xattr.c @@ -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); 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 == -EBUSY) { ea_bdebug(bh, "already in cache (%d cache entries)", diff --git a/fs/quota/quota.c b/fs/quota/quota.c index f0cbf58ad4da..fd5dd806f1b9 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -791,7 +791,8 @@ static int quotactl_cmd_write(int cmd) /* Return true if quotactl command is manipulating quota on/off state */ 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); } /* diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 5df554a9f9c9..ae796e10f68b 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1357,6 +1357,12 @@ reread: iinfo->i_alloc_type = le16_to_cpu(fe->icbTag.flags) & 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_lenEAttr = 0; iinfo->i_lenExtents = 0; |