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 <[email protected]> --- fs/f2fs/file.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 32c0bd545c5c..dafdaad9a9e4 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -4677,12 +4677,11 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) 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); if (advice == POSIX_FADV_SEQUENTIAL) { - inode = file_inode(filp); if (S_ISFIFO(inode->i_mode)) return -ESPIPE; @@ -4697,6 +4696,10 @@ 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_DONTNEED) { + if (test_opt(F2FS_I_SB(inode), COMPRESS_CACHE) && + f2fs_compressed_file(inode)) + f2fs_invalidate_compress_pages(F2FS_I_SB(inode), inode->i_ino); } return generic_fadvise(filp, offset, len, advice); -- 2.32.0 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
