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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-09-19 17:43:52 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-09-26 10:38:56 -0700 |
| commit | 3e729e50d01e6a336132d1739866a6463f82faa9 (patch) | |
| tree | 03868607277ec4aac108e6defc9c771675e75646 | |
| parent | f5f3bd903a5d3e3b2ba89f11e0e29db25e60c048 (diff) | |
| download | linux-3e729e50d01e6a336132d1739866a6463f82faa9.tar.gz linux-3e729e50d01e6a336132d1739866a6463f82faa9.tar.bz2 linux-3e729e50d01e6a336132d1739866a6463f82faa9.zip | |
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: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/file.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 09716127e107..161826c6e200 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -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); |