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| author | Jaegeuk Kim | 2014-10-09 22:39:06 +0200 |
|---|---|---|
| committer | Jaegeuk Kim | 2014-11-04 01:07:29 +0100 |
| commit | cbcb2872e37ba0511f21b3ab5d65973b2055440c (patch) | |
| tree | 8919d5ccbdfb7355bedc9dc6ee9a401e22f85c06 /fs/f2fs | |
| parent | f2fs: do not make dirty any inmemory pages (diff) | |
| download | kernel-qcow2-linux-cbcb2872e37ba0511f21b3ab5d65973b2055440c.tar.gz kernel-qcow2-linux-cbcb2872e37ba0511f21b3ab5d65973b2055440c.tar.xz kernel-qcow2-linux-cbcb2872e37ba0511f21b3ab5d65973b2055440c.zip | |
f2fs: invalidate inmemory page
If user truncates file's data, we should truncate inmemory pages too.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/data.c | 3 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 | ||||
| -rw-r--r-- | fs/f2fs/segment.c | 16 |
3 files changed, 20 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 84f20e932499..5b80adac8985 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1116,6 +1116,9 @@ static void f2fs_invalidate_data_page(struct page *page, unsigned int offset, if (offset % PAGE_CACHE_SIZE || length != PAGE_CACHE_SIZE) return; + if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode)) + invalidate_inmem_page(inode, page); + if (PageDirty(page)) inode_dec_dirty_pages(inode); ClearPagePrivate(page); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 28f24ea13cb2..d41d1b725919 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1297,6 +1297,7 @@ void destroy_node_manager_caches(void); * segment.c */ void register_inmem_page(struct inode *, struct page *); +void invalidate_inmem_page(struct inode *, struct page *); void commit_inmem_pages(struct inode *, bool); void f2fs_balance_fs(struct f2fs_sb_info *); void f2fs_balance_fs_bg(struct f2fs_sb_info *); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 9d4a7ab33b06..902c4c3f6b70 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -203,6 +203,22 @@ retry: mutex_unlock(&fi->inmem_lock); } +void invalidate_inmem_page(struct inode *inode, struct page *page) +{ + struct f2fs_inode_info *fi = F2FS_I(inode); + struct inmem_pages *cur; + + mutex_lock(&fi->inmem_lock); + cur = radix_tree_lookup(&fi->inmem_root, page->index); + if (cur) { + radix_tree_delete(&fi->inmem_root, cur->page->index); + f2fs_put_page(cur->page, 0); + list_del(&cur->list); + kmem_cache_free(inmem_entry_slab, cur); + } + mutex_unlock(&fi->inmem_lock); +} + void commit_inmem_pages(struct inode *inode, bool abort) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |