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f2fs: preload extent_cache for POSIX_FADV_WILLNEED

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This patch tries to preload extent_cache given POSIX_FADV_WILLNEED, which is
more useful for generic usecases.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2023-09-19 17:43:52 -07:00
parent f5f3bd903a
commit 3e729e50d0
1 changed files with 3 additions and 0 deletions
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3
fs/f2fs/file.c
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@ -4858,6 +4858,9 @@ static int f2fs_file_fadvise(struct file *filp, loff_t offset, loff_t len,
filp->f_mode &= ~FMODE_RANDOM;
spin_unlock(&filp->f_lock);
return 0;
} else if (advice == POSIX_FADV_WILLNEED && offset == 0) {
/* Load extent cache at the first readahead. */
f2fs_precache_extents(inode);
}
err = generic_fadvise(filp, offset, len, advice);