[f2fs-dev] [Bug 214551] New: Roll-Forward recovery recover deleted file

[f2fs-dev] [Bug 214551] New: Roll-Forward recovery recover deleted file

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=214551

            Bug ID: 214551
           Summary: Roll-Forward recovery recover deleted file
           Product: File System
           Version: 2.5
    Kernel Version: 5.4
          Hardware: ARM
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: f2fs
          Assignee: filesystem_f2fs@kernel-bugs.kernel.org
          Reporter: lijiazi@xiaomi.com
        Regression: No

reproduce step:
dd if=/dev/zero of=test count=256
fsync test
rm test
Trigger an abnormal reboot immediately.

After successful reboot, from dmesg, we can see f2fs recover this deleted test
file:
[    4.421237] F2FS-fs (dm-10): recover_inode: ino = 652d, name = test, inline
= 21
[    4.421407] F2FS-fs (dm-10): recover_dentry: ino = 652d, name = test, dir =
5985, err = 0

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[f2fs-dev] [Bug 214551] Roll-Forward recovery recover deleted file

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=214551

Chao Yu (chao@kernel.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |chao@kernel.org

--- Comment #1 from Chao Yu (chao@kernel.org) ---
(In reply to li jiazi from comment #0)
> reproduce step:
> dd if=/dev/zero of=test count=256
> fsync test
> rm test
> Trigger an abnormal reboot immediately.
> 
> After successful reboot, from dmesg, we can see f2fs recover this deleted
> test file:

If you want to see the status that file has been deleted after recovery,
you must call fsync on parent directory of test before SPO.

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[f2fs-dev] [Bug 214551] Roll-Forward recovery recover deleted file

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=214551

Chao Yu (chao@kernel.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |ANSWERED

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