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| author | Fengnan Chang <changfengnan@vivo.com> | 2021-11-29 05:13:41 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2021-12-11 02:48:32 +0300 |
| commit | e64347ae13dadba7b847776521a51c94c56605e9 (patch) | |
| tree | 0395168435cca7b25497c159fff6f830e6e3d919 /fs/f2fs/file.c | |
| parent | d1917865a7906baf6b687e15e8e6195a295a3992 (diff) | |
| download | linux-e64347ae13dadba7b847776521a51c94c56605e9.tar.xz | |
f2fs: support POSIX_FADV_DONTNEED drop compressed page cache
Previously, compressed page cache drop when clean page cache, but
POSIX_FADV_DONTNEED can't clean compressed page cache because raw page
don't have private data, and won't call f2fs_invalidate_compress_pages.
This commit call f2fs_invalidate_compress_pages() directly in
f2fs_file_fadvise() for POSIX_FADV_DONTNEED case.
Signed-off-by: Fengnan Chang <changfengnan@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/file.c')
| -rw-r--r-- | fs/f2fs/file.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 0802a10a651f..a15f8ba239f0 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -4663,12 +4663,12 @@ out: static int f2fs_file_fadvise(struct file *filp, loff_t offset, loff_t len, int advice) { - struct inode *inode; struct address_space *mapping; struct backing_dev_info *bdi; + struct inode *inode = file_inode(filp); + int err; if (advice == POSIX_FADV_SEQUENTIAL) { - inode = file_inode(filp); if (S_ISFIFO(inode->i_mode)) return -ESPIPE; @@ -4685,7 +4685,13 @@ static int f2fs_file_fadvise(struct file *filp, loff_t offset, loff_t len, return 0; } - return generic_fadvise(filp, offset, len, advice); + err = generic_fadvise(filp, offset, len, advice); + if (!err && advice == POSIX_FADV_DONTNEED && + test_opt(F2FS_I_SB(inode), COMPRESS_CACHE) && + f2fs_compressed_file(inode)) + f2fs_invalidate_compress_pages(F2FS_I_SB(inode), inode->i_ino); + + return err; } #ifdef CONFIG_COMPAT |