From: Jaegeuk Kim <jaegeuk@kernel.org> To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim <jaegeuk@kernel.org> Subject: [PATCH] f2fs: invalidate inode and data pages if inode is no longer used Date: Wed, 24 Aug 2016 19:34:19 -0700 [thread overview] Message-ID: <20160825023419.82566-1-jaegeuk@kernel.org> (raw) When a file is closed, let's deactivate inode page to mitigate further memory pressure. We can do data pages as well in the corner case of f2fs_drop_inode. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/file.c | 4 ++++ fs/f2fs/super.c | 1 + 2 files changed, 5 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index e460211..5f9a6dc 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1465,6 +1465,10 @@ static int f2fs_release_file(struct inode *inode, struct file *filp) filemap_fdatawrite(inode->i_mapping); clear_inode_flag(inode, FI_DROP_CACHE); } + + /* deactivate written inode page */ + invalidate_mapping_pages(NODE_MAPPING(F2FS_I_SB(inode)), + inode->i_ino, inode->i_ino); return 0; } diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 7f863a6..f84696d 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -618,6 +618,7 @@ static int f2fs_drop_inode(struct inode *inode) sb_end_intwrite(inode->i_sb); fscrypt_put_encryption_info(inode, NULL); + invalidate_mapping_pages(inode->i_mapping, 0, -1); spin_lock(&inode->i_lock); atomic_dec(&inode->i_count); } -- 2.8.3
WARNING: multiple messages have this Message-ID (diff)
From: Jaegeuk Kim <jaegeuk@kernel.org> To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim <jaegeuk@kernel.org> Subject: [PATCH] f2fs: invalidate inode and data pages if inode is no longer used Date: Wed, 24 Aug 2016 19:34:19 -0700 [thread overview] Message-ID: <20160825023419.82566-1-jaegeuk@kernel.org> (raw) When a file is closed, let's deactivate inode page to mitigate further memory pressure. We can do data pages as well in the corner case of f2fs_drop_inode. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/file.c | 4 ++++ fs/f2fs/super.c | 1 + 2 files changed, 5 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index e460211..5f9a6dc 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1465,6 +1465,10 @@ static int f2fs_release_file(struct inode *inode, struct file *filp) filemap_fdatawrite(inode->i_mapping); clear_inode_flag(inode, FI_DROP_CACHE); } + + /* deactivate written inode page */ + invalidate_mapping_pages(NODE_MAPPING(F2FS_I_SB(inode)), + inode->i_ino, inode->i_ino); return 0; } diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 7f863a6..f84696d 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -618,6 +618,7 @@ static int f2fs_drop_inode(struct inode *inode) sb_end_intwrite(inode->i_sb); fscrypt_put_encryption_info(inode, NULL); + invalidate_mapping_pages(inode->i_mapping, 0, -1); spin_lock(&inode->i_lock); atomic_dec(&inode->i_count); } -- 2.8.3 ------------------------------------------------------------------------------
next reply other threads:[~2016-08-25 6:13 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-08-25 2:34 Jaegeuk Kim [this message] 2016-08-25 2:34 ` [PATCH] f2fs: invalidate inode and data pages if inode is no longer used Jaegeuk Kim 2016-08-25 11:59 ` Chao Yu 2016-08-25 17:00 ` Jaegeuk Kim 2016-08-25 17:04 ` Jaegeuk Kim 2016-08-26 1:14 ` Chao Yu
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