EXT4-fs error (device md4): ext4_ext_check_inode:481: inode #37628736: comm php-

[Spacedust]

My system started failing with these:

EXT4-fs (md4): initial error at time 1440866666: ext4_ext_check_inode:481: inode 37628736
EXT4-fs (md4): last error at time 1441212243: ext4_ext_check_inode:481: inode 37628736
EXT4-fs error (device md4): ext4_ext_check_inode:481: inode #37628736: comm php-fpm: bad header/extent: invalid extent entries - magic f30a, entries 2, max 4(4), depth 0(0)
EXT4-fs error (device md4): ext4_ext_check_inode:481: inode #37628736: comm php-fpm: bad header/extent: invalid extent entries - magic f30a, entries 2, max 4(4), depth 0(0)
EXT4-fs error (device md4): ext4_ext_check_inode:481: inode #37628736: comm php-fpm: bad header/extent: invalid extent entries - magic f30a, entries 2, max 4(4), depth 0(0)
JBD2: Spotted dirty metadata buffer (dev = md4, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
EXT4-fs error (device md4): ext4_ext_check_inode:481: inode #37628736: comm php-fpm: bad header/extent: invalid extent entries - magic f30a, entries 2, max 4(4), depth 0(0)
EXT4-fs (md4): error count since last fsck: 24

[MRatWork]

Read http://serverfault.com/questions/475273/kernel-errors-present-ext4-fs

[Spacedust]

I've fixed these with fsck in 8 minutes so far