mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-04 16:15:11 +00:00
ext4: print error when argument of inode_readahead_blk is invalid
If argument of inode_readahead_blk is too big, we just bail out without printing any error. Fix this since it could confuse users. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
parent
5f3633e36b
commit
e33e60eaed
1 changed files with 4 additions and 5 deletions
|
@ -1555,11 +1555,10 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
|
||||||
} else if (token == Opt_min_batch_time) {
|
} else if (token == Opt_min_batch_time) {
|
||||||
sbi->s_min_batch_time = arg;
|
sbi->s_min_batch_time = arg;
|
||||||
} else if (token == Opt_inode_readahead_blks) {
|
} else if (token == Opt_inode_readahead_blks) {
|
||||||
if (arg > (1 << 30))
|
if (arg && (arg > (1 << 30) || !is_power_of_2(arg))) {
|
||||||
return -1;
|
ext4_msg(sb, KERN_ERR,
|
||||||
if (arg && !is_power_of_2(arg)) {
|
"EXT4-fs: inode_readahead_blks must be "
|
||||||
ext4_msg(sb, KERN_ERR, "EXT4-fs: inode_readahead_blks"
|
"0 or a power of 2 smaller than 2^31");
|
||||||
" must be a power of 2");
|
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
sbi->s_inode_readahead_blks = arg;
|
sbi->s_inode_readahead_blks = arg;
|
||||||
|
|
Loading…
Reference in a new issue