diff options
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/ext4_jbd2.h | 3 | ||||
| -rw-r--r-- | fs/ext4/super.c | 13 |
2 files changed, 15 insertions, 1 deletions
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h index 7ea4f6fa173b..4b9002f0e84c 100644 --- a/fs/ext4/ext4_jbd2.h +++ b/fs/ext4/ext4_jbd2.h @@ -512,6 +512,9 @@ static inline int ext4_should_dioread_nolock(struct inode *inode) return 0; if (ext4_should_journal_data(inode)) return 0; + /* temporary fix to prevent generic/422 test failures */ + if (!test_opt(inode->i_sb, DELALLOC)) + return 0; return 1; } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 446158ab507d..70796de7c468 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2181,6 +2181,14 @@ static int parse_options(char *options, struct super_block *sb, } } #endif + if (test_opt(sb, DIOREAD_NOLOCK)) { + int blocksize = + BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size); + if (blocksize < PAGE_SIZE) + ext4_msg(sb, KERN_WARNING, "Warning: mounting with an " + "experimental mount option 'dioread_nolock' " + "for blocksize < PAGE_SIZE"); + } return 1; } @@ -3787,7 +3795,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) set_opt(sb, NO_UID32); /* xattr user namespace & acls are now defaulted on */ set_opt(sb, XATTR_USER); - set_opt(sb, DIOREAD_NOLOCK); #ifdef CONFIG_EXT4_FS_POSIX_ACL set_opt(sb, POSIX_ACL); #endif @@ -3837,6 +3844,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) sbi->s_li_wait_mult = EXT4_DEF_LI_WAIT_MULT; blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size); + + if (blocksize == PAGE_SIZE) + set_opt(sb, DIOREAD_NOLOCK); + if (blocksize < EXT4_MIN_BLOCK_SIZE || blocksize > EXT4_MAX_BLOCK_SIZE) { ext4_msg(sb, KERN_ERR, |