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f2fs: call write_checkpoint under disabled gc 

During the write_checkpoint, we should avoid f2fs_gc trigger to avoid any
filesystem consistency.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
hifive-unleashed-5.1
Jaegeuk Kim 2014-10-27 11:04:35 -07:00
parent 9234f3190b
commit ca4b02eeed
1 changed files with 2 additions and 0 deletions
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2
fs/f2fs/segment.c
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@ -1046,7 +1046,9 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
cpc.trim_minlen = range->minlen >> sbi->log_blocksize;
/* do checkpoint to issue discard commands safely */
mutex_lock(&sbi->gc_mutex);
write_checkpoint(sbi, &cpc);
mutex_unlock(&sbi->gc_mutex);
out:
range->len = cpc.trimmed << sbi->log_blocksize;
return 0;