Commit 3e729e50 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: preload extent_cache for POSIX_FADV_WILLNEED 



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

Reviewed-by: default avatarChao Yu <chao@kernel.org>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent f5f3bd90

fs/f2fs/file.c

+3 −0
Original line number Diff line number Diff line
@@ -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);