On 2023/3/21 8:12, Yonggil Song wrote:
When f2fs tries to checkpoint during foreground gc in LFS mode, system
crash occurs due to lack of free space if the amount of dirty node and
dentry pages generated by data migration exceeds free space.
The reproduction sequence is as follows.
- 20GiB
On 2023/3/24 21:07, Yohan Joung wrote:
Fix alignment check to be correct in npo2 as well
Signed-off-by: Yohan Joung
---
fs/f2fs/segment.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 055e70e77aa2..f4a22a065277 100644
On 2023/3/31 17:26, Bo Ye wrote:
From: Qilin Tan
Need add __pack for struct extent_info to align to memory
layout of struct rb_entry.
Jaegeuk has fixed this bug w/ below patchset, please check it:
https://lore.kernel.org/linux-f2fs-devel/20230313201216.924234-1-jaeg...@kernel.org/
Thanks,
On 2023/3/31 17:26, Bo Ye wrote:
From: Qilin Tan
Made iostat lock irq safe to avoid potentinal deadlock.
Deadlock scenario:
f2fs_attr_store
-> f2fs_sbi_store
-> _sbi_store
-> spin_lock(sbi->iostat_lock)
-> scsi_end_request
-> bio_endio
-> f2fs_dio_read_end_io
> I guess we can cover all trylock w/ FAULT_LOCK_OP type fault injection,
> rather than just cover f2fs_down_write_trylock().
>
> Including:
> - inode_trylock
> - down_read_trylock
> - down_write_trylock
> - mutex_trylock
> - sb_start_write_trylock
> - trylock_page
>
> Bug only excluding
This patch extends the fault injection of FAULT_LOCK_OP type,
including:
- inode_trylock
- down_read_trylock
- down_write_trylock
- mutex_trylock
- sb_start_write_trylock
- trylock_page
Since it supports not only the original lock_op fault injection,
let's rename lock_op to lock.
Al Viro writes:
> On Wed, Jun 22, 2022 at 03:45:59PM -0400, Gabriel Krisman Bertazi wrote:
>
>> +static inline int generic_ci_d_revalidate(struct dentry *dentry,
>> + const struct qstr *name,
>> + unsigned int flags)
>> +{
Hi!
On 4/28/22 19:18, Daeho Jeong wrote:
> From: Daeho Jeong
>
> Current atomic write has three major issues like below.
> - keeps the updates in non-reclaimable memory space and they are even
>hard to be migrated, which is not good for contiguous memory
>allocation.
> - disk spaces
On 2023/3/30 23:25, Yangtao Li wrote:
Similar to FAULT_LOCK_OP, this patch supports to inject fault into
f2fs_down_write_trylock().
I guess we can cover all trylock w/ FAULT_LOCK_OP type fault injection,
rather than just cover f2fs_down_write_trylock().
Including:
- inode_trylock
-
Let's use sysfs_emit.
Signed-off-by: Yangtao Li
---
fs/f2fs/sysfs.c | 10 ++
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 9ddc6ee19433..2c0b2cb05a3a 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -312,19 +312,13 @@ static
https://bugzilla.kernel.org/show_bug.cgi?id=216050
--- Comment #141 from Guido (guido.iod...@gmail.com) ---
Today I forced the gc on all partitions. No problem at all.
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From: Qilin Tan
Need add __pack for struct extent_info to align to memory
layout of struct rb_entry.
struct rb_entry {
struct rb_node rb_node; /* rb node located in rb-tree */
union {
struct {
unsigned int ofs; /* start offset of the entry */
From: Qilin Tan
Made iostat lock irq safe to avoid potentinal deadlock.
Deadlock scenario:
f2fs_attr_store
-> f2fs_sbi_store
-> _sbi_store
-> spin_lock(sbi->iostat_lock)
-> scsi_end_request
-> bio_endio
-> f2fs_dio_read_end_io
-> f2fs_update_iostat
->
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