[Nexus 7 Q&A, Help & Troubleshooting] samw52000:
Here it is, log file attached.

>adb shell cat /proc/mounts

rootfs / rootfs rw 0 0

tmpfs /dev tmpfs rw,seclabel,nosuid,relatime,mode=755 0 0

devpts /dev/pts devpts rw,seclabel,relatime,mode=600 0 0

proc /proc proc rw,relatime 0 0

sysfs /sys sysfs rw,seclabel,relatime 0 0

selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0

/dev/block/mmcblk0p4 /cache ext4 rw,seclabel,relatime,user_xattr,acl,barrier=1,d

ata=ordered 0 0

>adb shell mount /data

>adb shell cat /proc/mounts

rootfs / rootfs rw 0 0

tmpfs /dev tmpfs rw,seclabel,nosuid,relatime,mode=755 0 0

devpts /dev/pts devpts rw,seclabel,relatime,mode=600 0 0

proc /proc proc rw,relatime 0 0

sysfs /sys sysfs rw,seclabel,relatime 0 0

selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0

/dev/block/mmcblk0p4 /cache ext4 rw,seclabel,relatime,user_xattr,acl,barrier=1,d

ata=ordered 0 0

/dev/block/mmcblk0p9 /data ext4 rw,seclabel,relatime,user_xattr,acl,barrier=1,da

ta=ordered 0 0

>adb shell umount /sdcard

umount: can't umount /sdcard: Invalid argument

>adb shell umount /data

>adb shell umount /system

umount: can't umount /system: Invalid argument

>adb shell e2fsck -f -n /dev/blo

ck/mmcblk0p9

e2fsck 1.41.14 (22-Dec-2010)

Warning: skipping journal recovery because doing a read-only filesystem check.

Pass 1: Checking inodes, blocks, and sizes

Inodes that were part of a corrupted orphan linked list found. Fix? no

Inode 213776 was part of the orphaned inode list. IGNORED.

Inode 214478 was part of the orphaned inode list. IGNORED.

Inode 245302 was part of the orphaned inode list. IGNORED.

Inode 245303 was part of the orphaned inode list. IGNORED.

Inode 245305 was part of the orphaned inode list. IGNORED.

Inode 245311 was part of the orphaned inode list. IGNORED.

Inode 245343 was part of the orphaned inode list. IGNORED.

Inode 245344 was part of the orphaned inode list. IGNORED.

Deleted inode 277997 has zero dtime. Fix? no

Pass 2: Checking directory structure

Pass 3: Checking directory connectivity

Pass 4: Checking reference counts

Pass 5: Checking group summary information

Block bitmap differences: -852836 -(884198--884199) +1228639 +(1256263--1256268

) -(1285498--1285501) -(1285514--1285515) +(1285529--1285530) -1293833 -1293860

+(1293862--1293872) +(1293885--1293886) -1937108

Fix? no

Free blocks count wrong for group #10 (8976, counted=9160).

Fix? no

Free blocks count wrong for group #13 (2049, counted=3073).

Fix? no

Free blocks count wrong for group #35 (16707, counted=16481).

Fix? no

Free blocks count wrong for group #37 (6352, counted=6355).

Fix? no

Free blocks count wrong for group #38 (6105, counted=6119).

Fix? no

Free blocks count wrong for group #41 (7987, counted=9016).

Fix? no

Free blocks count wrong for group #61 (2838, counted=2814).

Fix? no

Free blocks count wrong (1129965, counted=1163188).

Fix? no

Inode bitmap differences: -213776 -214478 -(245302--245303) -245305 -245311 -(2

45343--245344) -277997

Fix? no

Free inodes count wrong for group #26 (5659, counted=5658).

Fix? no

Free inodes count wrong for group #61 (539, counted=536).

Fix? no

Free inodes count wrong (854105, counted=859572).

Fix? no

/dev/block/mmcblk0p9: ********** WARNING: Filesystem still has errors **********

/dev/block/mmcblk0p9: 28903/883008 files (3.6% non-contiguous), 2395923/3525888

blocks