t for each zone.
Signed-off-by: Shin'ichiro Kawasaki
---
include/f2fs_fs.h | 2 ++
lib/libf2fs_zoned.c | 57 +
2 files changed, 59 insertions(+)
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 84f3f3e..7d2cdda 100644
--- a/include/
e zone has no valid blocks.
Signed-off-by: Shin'ichiro Kawasaki
---
fsck/fsck.c | 30 +-
1 file changed, 29 insertions(+), 1 deletion(-)
diff --git a/fsck/fsck.c b/fsck/fsck.c
index 6beac5a..14bc804 100644
--- a/fsck/fsck.c
+++ b/fsck/fsck.c
@@ -2622,6 +2622,
To allow fsck to reset a zone with inconsistent write pointer, introduce
a helper function f2fs_reset_zone().
Signed-off-by: Shin'ichiro Kawasaki
---
include/f2fs_fs.h | 1 +
lib/libf2fs_zoned.c | 24
2 files changed, 25 insertions(+)
diff --git a/include/f2fs
'force' flag in fsck_verify() to enforce fixes in following checks. This
position fix is done at the beginning of do_fsck() function so that other
checks reflect the current segment modification.
Signed-off-by: Shin'ichiro Kawasaki
---
fsck/fsck.c | 133 +++
es depends on other patches for zoned block devices, then it
conflicts with the master branch in f2fs-tools.git as of Aug/19/2019. It can be
applied without conflict to dev and dev-test branch tips.
Shin'ichiro Kawasaki (4):
libf2fs_zoned: Introduce f2fs_report_zones() helper function
e zone has no valid blocks.
Signed-off-by: Shin'ichiro Kawasaki
---
fsck/fsck.c | 30 +-
1 file changed, 29 insertions(+), 1 deletion(-)
diff --git a/fsck/fsck.c b/fsck/fsck.c
index 21a06ac..cc9bbc0 100644
--- a/fsck/fsck.c
+++ b/fsck/fsck.c
@@ -2595,6 +2595,
To allow fsck to reset a zone with inconsistent write pointer, introduce
a helper function f2fs_reset_zone().
Signed-off-by: Shin'ichiro Kawasaki
---
include/f2fs_fs.h | 1 +
lib/libf2fs_zoned.c | 24
2 files changed, 25 insertions(+)
diff --git a/include/f2fs
t for each zone.
Signed-off-by: Shin'ichiro Kawasaki
---
include/f2fs_fs.h | 2 ++
lib/libf2fs_zoned.c | 57 +
2 files changed, 59 insertions(+)
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 0d9a036..abadd1b 100644
--- a/include/
es depends on other patches for zoned block devices, then it
conflicts with the master branch in f2fs-tools.git as of Aug/19/2019. It can be
applied without conflict to dev and dev-test branch tips.
Changes from v1:
* Fixed build failure on dev branch
Shin'ichiro Kawasaki (4):
libf2fs_z
'force' flag in fsck_verify() to enforce fixes in following checks. This
position fix is done at the beginning of do_fsck() function so that other
checks reflect the current segment modification.
Signed-off-by: Shin'ichiro Kawasaki
---
fsck/fsck.c | 133 +++
es from v2:
* Reflected review comments by Chao Yu
* Dropped 4th patch and 2nd patch (2nd patch was required for the 4th patch)
Changes from v1:
* Fixed build failure on dev branch
Shin'ichiro Kawasaki (2):
libf2fs_zoned: Introduce f2fs_report_zones() helper function
fsck.f2fs: Check write poin
t for each zone.
Add SECTOR_SHIFT definition in include/f2fs_fs.h to avoid a magic number
to convert bytes into 512B sectors.
Signed-off-by: Shin'ichiro Kawasaki
---
include/f2fs_fs.h | 5
lib/libf2fs_zoned.c | 59 +
2 files changed, 64 inse
'force' flag in fsck_verify() to enforce fixes in following checks. This
position fix is done at the beginning of do_fsck() function so that other
checks reflect the current segment modification.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: C
v3:
* Set curseg position at a new zone start when its write pointer is at zone end
Changes from v2:
* Reflected review comments by Chao Yu
* Dropped 4th patch and 2nd patch (2nd patch was required for the 4th patch)
Changes from v1:
* Fixed build failure on dev branch
Shin'ich
t for each zone.
Add SECTOR_SHIFT definition in include/f2fs_fs.h to avoid a magic number
to convert bytes into 512B sectors.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
---
include/f2fs_fs.h | 5
lib/libf2fs_zoned.c | 59 +
t modification.
Also add GET_SEC_FROM_SEG and GET_SEG_FROM_SEC macros in fsck/fsck.h to
simplify the code.
Signed-off-by: Shin'ichiro Kawasaki
---
fsck/f2fs.h | 5 ++
fsck/fsck.c | 198
fsck/fsck.h | 3 +
fsck/main.c | 2 +
4 files ch
zone, because the zone is not selected for
next write operation until the zone get discarded.
Also move a constant F2FS_REPORT_ZONE from super.c to f2fs.h to use it
in segment.c also.
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/f2fs.h| 3 +
fs/f2fs/segme
positions.
The second check is done at end of f2fs_fill_super() to make sure the
write pointer consistency regardless of fsync data recovery execution.
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/f2fs.h | 1 +
fs/f2fs/recovery.c | 6 +++
fs/f2fs/s
o run fsck. Corresponding patch series is being posted for
fsck.f2fs to add the write pointer consistency check feature.
Thank goes to Chao Yu for the detailed discussion on the list.
Shin'ichiro Kawasaki (2):
f2fs: Check write pointer consistency of open zones
f2fs: Check write pointer con
hat other fixes can reflect the current segment
modification. The second is done in fsck_verify() to reflect updated meta
data by other fixes.
Signed-off-by: Shin'ichiro Kawasaki
---
fsck/f2fs.h | 5 ++
fsck/fsck.c | 154 +++
fsck/fsck.h |
To prepare for write pointer consistency check by fsck, add
f2fs_report_zone() helper function which calls REPORT ZONE command to
get write pointer status of a single zone. The function is added to
lib/libf2fs_zoned which gathers zoned block device related functions.
Signed-off-by: Shin'i
sition at a new zone start when its write pointer is at zone end
Changes from v2:
* Reflected review comments by Chao Yu
* Dropped 4th patch and 2nd patch (2nd patch was required for the 4th patch)
Changes from v1:
* Fixed build failure on dev branch
Shin'ichiro Kawasaki (8):
libf
block devices. Also skip
relocate_curseg_offset() for the devices with ZONED_HM model for the
same reason.
Signed-off-by: Shin'ichiro Kawasaki
---
fsck/defrag.c | 2 +-
fsck/fsck.h| 2 +-
fsck/mount.c | 12
fsck/segment.c | 2 +-
4 files changed, 11 insertions(+), 7 d
To prepare for write pointer consistency fix by fsck, add
f2fs_reset_zone() helper function which calls RESET ZONE command. The
function is added to lib/libf2fs_zoned which gathers zoned block device
related functions.
Signed-off-by: Shin'ichiro Kawasaki
---
include/f2fs_fs.h | 1 +
fsck needs fsync data check or not. For zoned block devices, always
return true. Otherwise, return true if UMOUNT flag is not set in CP.
Replace UMOUNT flag check codes for fsync data with the function call.
Signed-off-by: Shin'ichiro Kawasaki
---
fsck/fsck.h| 6 ++
fsck/mount.c
t for each zone.
Add SECTOR_SHIFT definition in include/f2fs_fs.h to avoid a magic number
to convert bytes into 512B sectors.
Signed-off-by: Shin'ichiro Kawasaki
---
include/f2fs_fs.h | 5
lib/libf2fs_zoned.c | 59 +
2 files changed, 64 inse
the zone get discarded.
In the same manner as the consistency check for current segments, do the
check and fix twice: at the beginning of do_fsck() to avoid unaligned
write error during fsck, and at fsck_verify() to reflect meta data
updates by fsck.
Signed-off-by: Shin'ichiro Kawasaki
---
: Shin'ichiro Kawasaki
---
fsck/mount.c | 68
1 file changed, 37 insertions(+), 31 deletions(-)
diff --git a/fsck/mount.c b/fsck/mount.c
index 8d2ba55..915f487 100644
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -2532,52 +2532,58 @@ int find_next_free_
hat other fixes can reflect the current segment
modification. The second is done in fsck_verify() to reflect updated meta
data by other fixes.
Signed-off-by: Shin'ichiro Kawasaki
---
fsck/f2fs.h | 5 ++
fsck/fsck.c | 154 +++
fsck/fsck.h |
: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
---
fsck/mount.c | 68
1 file changed, 37 insertions(+), 31 deletions(-)
diff --git a/fsck/mount.c b/fsck/mount.c
index 8d2ba55..915f487 100644
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -2532,52 +2532,58 @
block devices. Also skip
relocate_curseg_offset() for the devices with ZONED_HM model for the
same reason.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
---
fsck/defrag.c | 2 +-
fsck/fsck.h| 2 +-
fsck/mount.c | 12
fsck/segment.c | 2 +-
4 files cha
the zone get discarded.
In the same manner as the consistency check for current segments, do the
check and fix twice: at the beginning of do_fsck() to avoid unaligned
write error during fsck, and at fsck_verify() to reflect meta data
updates by fsck.
Signed-off-by: Shin'ichiro Kawasaki
---
fsck needs fsync data check or not. For zoned block devices, always
return true. Otherwise, return true if UMOUNT flag is not set in CP.
Replace UMOUNT flag check codes for fsync data with the function call.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
---
fsck/fsck.h
positions.
The second check is done at end of f2fs_fill_super() to make sure the
write pointer consistency regardless of fsync data recovery execution.
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/f2fs.h | 1 +
fs/f2fs/recovery.c | 6 +++
fs/f2fs/s
zone, because the zone is not selected for
next write operation until the zone get discarded.
Also move a constant F2FS_REPORT_ZONE from super.c to f2fs.h to use it
in segment.c also.
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/f2fs.h| 3 +
fs/f2fs/segme
o run fsck. Corresponding patch series is being posted for
fsck.f2fs to add the write pointer consistency check feature.
Thank goes to Chao Yu for the detailed discussion on the list.
Changes from v1:
* 2nd patch: Added check to ensure zones are in main segments
Shin'ichiro Kawasaki (2):
f2
function f2fs_reset_zone() prints an error message as other helper
functions in lib/libf2fs_zoned print. To make the message consistent
through the all helper functions, modify message strings in
f2fs_check_zones() and f2fs_reset_zones().
Signed-off-by: Shin'ichiro Kawasaki
---
include/f2fs_fs.h
atch (2nd patch was required for the 4th patch)
Changes from v1:
* Fixed build failure on dev branch
Shin'ichiro Kawasaki (8):
libf2fs_zoned: Introduce f2fs_report_zones() helper function
libf2fs_zoned: Introduce f2fs_report_zone() helper function
libf2fs_zoned: Introduce f2fs_reset_zo
t for each zone.
Add SECTOR_SHIFT definition in include/f2fs_fs.h to avoid a magic number
to convert bytes into 512B sectors.
Signed-off-by: Shin'ichiro Kawasaki
---
include/f2fs_fs.h | 5
lib/libf2fs_zoned.c | 59 +
2 files changed, 64 inse
To prepare for write pointer consistency check by fsck, add
f2fs_report_zone() helper function which calls REPORT ZONE command to
get write pointer status of a single zone. The function is added to
lib/libf2fs_zoned which gathers zoned block device related functions.
Signed-off-by: Shin'i
ther fixes can reflect the current segment
modification. The second is done in fsck_verify() to reflect updated meta
data by other fixes.
Signed-off-by: Shin'ichiro Kawasaki
---
fsck/f2fs.h | 5 ++
fsck/fsck.c | 152 +++
fsck/fsck.h | 3
: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
Signed-off-by: Jaegeuk Kim
---
fsck/mount.c | 68
1 file changed, 37 insertions(+), 31 deletions(-)
diff --git a/fsck/mount.c b/fsck/mount.c
index 7ce885c..cd6b51b 100644
--- a/fsck/mount.c
+++ b/fsck/mo
function f2fs_reset_zone() prints an error message as other helper
functions in lib/libf2fs_zoned print. To make the message consistent
through the all helper functions, modify message strings in
f2fs_check_zones() and f2fs_reset_zones().
Signed-off-by: Shin'ichiro Kawasaki
Signed-off-by: Jaegeu
zone get discarded.
In the same manner as the consistency check for current segments, do the
check and fix twice: at the beginning of do_fsck() to avoid unaligned
write error during fsck, and at fsck_verify() to reflect meta data
updates by fsck.
Signed-off-by: Shin'ichiro Kawasaki
Review
block devices. Also skip
relocate_curseg_offset() for the devices with ZONED_HM model for the
same reason.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
Signed-off-by: Jaegeuk Kim
---
fsck/defrag.c | 2 +-
fsck/f2fs.h| 1 +
fsck/fsck.h| 2 +-
fsck/mount.c | 13
t for each zone.
Add SECTOR_SHIFT definition in include/f2fs_fs.h to avoid a magic number
to convert bytes into 512B sectors.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
Signed-off-by: Jaegeuk Kim
---
include/f2fs_fs.h | 5
lib/libf2
To prepare for write pointer consistency check by fsck, add
f2fs_report_zone() helper function which calls REPORT ZONE command to
get write pointer status of a single zone. The function is added to
lib/libf2fs_zoned which gathers zoned block device related functions.
Signed-off-by: Shin'i
fsck needs fsync data check or not. For zoned block devices, always
return true. Otherwise, return true if UMOUNT flag is not set in CP.
Replace UMOUNT flag check codes for fsync data with the function call.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
Signed-off-by: Jaegeu
Set curseg position at a new zone start when its write pointer is at zone end
Changes from v2:
* Reflected review comments by Chao Yu
* Dropped 4th patch and 2nd patch (2nd patch was required for the 4th patch)
Changes from v1:
* Fixed build failure on dev branch
Shin'ichiro Kawasaki (
ff-by: Shin'ichiro Kawasaki
---
fs/f2fs/f2fs.h| 3 +
fs/f2fs/segment.c | 149 ++
fs/f2fs/super.c | 16 -
3 files changed, 165 insertions(+), 3 deletions(-)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index a2e24718c13b..1bb64950d793 100644
---
t to
cause conflict with kworker's dirfy data/node flush, do the fix within
SBI_POR_DOING protection.
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/f2fs.h | 1 +
fs/f2fs/recovery.c | 17 ++-
fs/f2fs/segment.c | 120 +
3 files cha
checkpoint()
* 2nd patch: Reversed bitmap search and removed __set_inuse()
Changed condition for disable_roll_forward/norecovery mount options
Changes from v1:
* 2nd patch: Added check to ensure zones are in main segments
Shin'ichiro Kawasaki (2):
f2fs: Check write pointer cons
fsck needs fsync data check or not. For zoned block devices, always
return true. Otherwise, return true if UMOUNT flag is not set in CP.
Replace UMOUNT flag check codes for fsync data with the function call.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
Signed-off-by: Jaegeu
ther fixes can reflect the current segment
modification. The second is done in fsck_verify() to reflect updated meta
data by other fixes.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
---
fsck/f2fs.h | 5 ++
fsck/fsck.c | 159 ++
Changes from v1:
* Fixed build failure on dev branch
Shin'ichiro Kawasaki (8):
libf2fs_zoned: Introduce f2fs_report_zones() helper function
libf2fs_zoned: Introduce f2fs_report_zone() helper function
libf2fs_zoned: Introduce f2fs_reset_zone() helper function
fsck: Find free zones
t for each zone.
Add SECTOR_SHIFT definition in include/f2fs_fs.h to avoid a magic number
to convert bytes into 512B sectors.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
Signed-off-by: Jaegeuk Kim
---
include/f2fs_fs.h | 5
lib/libf2
function f2fs_reset_zone() prints an error message as other helper
functions in lib/libf2fs_zoned print. To make the message consistent
through the all helper functions, modify message strings in
f2fs_check_zones() and f2fs_reset_zones().
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
S
: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
Signed-off-by: Jaegeuk Kim
---
fsck/mount.c | 68
1 file changed, 37 insertions(+), 31 deletions(-)
diff --git a/fsck/mount.c b/fsck/mount.c
index 7ce885c..cd6b51b 100644
--- a/fsck/mount.c
+++ b/fsck/mo
To prepare for write pointer consistency check by fsck, add
f2fs_report_zone() helper function which calls REPORT ZONE command to
get write pointer status of a single zone. The function is added to
lib/libf2fs_zoned which gathers zoned block device related functions.
Signed-off-by: Shin'i
block devices. Also skip
relocate_curseg_offset() for the devices with ZONED_HM model for the
same reason.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
Signed-off-by: Jaegeuk Kim
---
fsck/defrag.c | 2 +-
fsck/f2fs.h| 1 +
fsck/fsck.h| 2 +-
fsck/mount.c | 13
zone get discarded.
In the same manner as the consistency check for current segments, do the
check and fix twice: at the beginning of do_fsck() to avoid unaligned
write error during fsck, and at fsck_verify() to reflect meta data
updates by fsck.
Signed-off-by: Shin'ichiro Kawasaki
Review
block
position is beyond the write pointer. In such a case, report as a bug.
Fix is not required for such zone, because the zone is not selected for
next write operation until the zone get discarded.
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/f2fs.h| 1 +
fs/f2fs/segme
e conflict with kworker's dirfy data/node flush, do the fix within
SBI_POR_DOING protection.
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/f2fs.h | 1 +
fs/f2fs/recovery.c | 20 ++-
fs/f2fs/segment.c | 131 +
3 files changed,
set_inuse() and f2fs_stop_checkpoint()
* 2nd patch: Reversed bitmap search and removed __set_inuse()
Changed condition for disable_roll_forward/norecovery mount options
Changes from v1:
* 2nd patch: Added check to ensure zones are in main segments
Shin'ichiro Kawasaki (2):
f2fs: Check write
block
position is beyond the write pointer. In such a case, report as a bug.
Fix is not required for such zone, because the zone is not selected for
next write operation until the zone get discarded.
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/f2fs.h| 1 +
fs/f2fs/segme
Added check to ensure zones are in main segments
Shin'ichiro Kawasaki (2):
f2fs: Check write pointer consistency of open zones
f2fs: Check write pointer consistency of non-open zones
fs/f2fs/f2fs.h | 2 +
fs/f2fs/recovery.c | 20 +++-
fs/f
e conflict with kworker's dirfy data/node flush, do the fix within
SBI_POR_DOING protection.
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/f2fs.h | 1 +
fs/f2fs/recovery.c | 20 ++-
fs/f2fs/segment.c | 132 +
3 files changed,
e conflict with kworker's dirfy data/node flush, do the fix within
SBI_POR_DOING protection.
Signed-off-by: Shin'ichiro Kawasaki
Cc: YueHaibing
---
fs/f2fs/f2fs.h | 1 +
fs/f2fs/recovery.c | 20 ++-
fs/f2fs/segment.c | 131 +
block
position is beyond the write pointer. In such a case, report as a bug.
Fix is not required for such zone, because the zone is not selected for
next write operation until the zone get discarded.
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Chao Yu
---
fs/f2fs/f2fs.h| 1
d condition for disable_roll_forward/norecovery mount options
Changes from v1:
* 2nd patch: Added check to ensure zones are in main segments
Shin'ichiro Kawasaki (2):
f2fs: Check write pointer consistency of open zones
f2fs: Check write pointer consistency of non-open zones
fs/f2fs/f2fs.h | 2 +
ce attributes.
Also introduce read_file() and read_sys_attr() helper functions for
code simplicity.
Signed-off-by: Shin'ichiro Kawasaki
---
lib/libf2fs_zoned.c | 134 ++--
1 file changed, 91 insertions(+), 43 deletions(-)
diff --git a/lib/libf2fs_zone
ince the device file is
already open, it exists, and so the device can safely be assumed as not
being zoned.
Changes from v1:
* Addressed Chao Yu's comment on ENOENT and return value checks
* Rewrite of sysfs file handling (simplified)
* Rebased on dev-test tree
Signed-off-by: Shin&#x
e handling (simplified)
* Rebased on dev-test tree
Signed-off-by: Shin'ichiro Kawasaki
---
lib/libf2fs_zoned.c | 101 ++--
1 file changed, 88 insertions(+), 13 deletions(-)
diff --git a/lib/libf2fs_zoned.c b/lib/libf2fs_zoned.c
index a5f3fea..af00b44 100
"f2fs: get the right gc victim section when section has
several segments")
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/segment.c | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index a65d357f89a9..e247a5ef3713 1006
, prevent swap file activation when the filesystem
enables block zoned device support.
Fixes: 4969c06a0d83 ("f2fs: support swap file w/ DIO")
Signed-off-by: Shin'ichiro Kawasaki
Cc: sta...@vger.kernel.org # v5.4+
---
fs/f2fs/data.c | 6 ++
1 file changed, 6 insertions(+)
diff
-sequential write causes unaligned write command errors.
To avoid the non-sequential writes to swap files, prevent swap file
activation when the filesystem is in LFS mode.
Fixes: 4969c06a0d83 ("f2fs: support swap file w/ DIO")
Signed-off-by: Shin'ichiro Kawasaki
Cc: sta...@vger.ker
t purpose, add a new
helper function f2fs_bdev_index() which gets index of the zone reset
target device.
Fixes: 25f9080576b9 ("f2fs: add async reset zone command support")
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/f2fs.h| 16
fs/f2fs/segment.c | 35 +++
ernel.org
Signed-off-by: Shin'ichiro Kawasaki
---
fs/f2fs/segment.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 78c3198a6308..e10bf3c4eed5 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1281,6 +1281,8 @@ static int __submit_dis
r.kernel.org
Signed-off-by: Shin'ichiro Kawasaki
Reviewed-by: Damien Le Moal
---
Changes from v1:
* Removed the else, added the comment and improved commit message wording
fs/f2fs/segment.c | 7 +++
1 file changed, 7 insertions(+)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
inde
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