kernel.git/fs/f2fs/node.c, branch linux-6.15.y

f2fs: fix to return correct error number in f2fs_sync_node_pages()

2025-06-27T10:13:04Z

commit 43ba56a043b14426ca9ecac875ab357e32cb595e upstream. If __write_node_folio() failed, it will return AOP_WRITEPAGE_ACTIVATE, the incorrect return value may be passed to userspace in below path, fix it. - sync_filesystem - sync_fs - f2fs_issue_checkpoint - block_operations - f2fs_sync_node_pages - __write_node_folio : return AOP_WRITEPAGE_ACTIVATE Cc: stable@vger.kernel.org Reported-by: Christoph Hellwig Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Greg Kroah-Hartman

f2fs: Remove f2fs_write_node_page()

2025-03-11T19:38:00Z

Mappings which implement writepages should not implement writepage as it can only harm writeback patterns. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim

Revert "f2fs: rebuild nat_bits during umount"

2025-03-11T03:25:54Z

This reverts commit 94c821fb286b545d37549ff30a0c341e066f0d6c. It reports that there is potential corruption in node footer, the most suspious feature is nat_bits, let's revert recovery related code. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim

f2fs: introduce FAULT_INCONSISTENT_FOOTER

2025-03-11T03:25:53Z

To simulate inconsistent node footer error. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim

f2fs: do sanity check on xattr node footer in f2fs_get_xnode_page()

2025-03-11T03:25:53Z

This patch introduces a new wrapper f2fs_get_xnode_page(), then, caller can use it to load xattr block to page cache, meanwhile it will do sanity check on xattr node footer. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim

f2fs: do sanity check on inode footer in f2fs_get_inode_page()

2025-03-11T03:25:53Z

This patch introduces a new wrapper f2fs_get_inode_page(), then, caller can use it to load inode block to page cache, meanwhile it will do sanity check on inode footer. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim

f2fs: control nat_bits feature via mount option

2025-03-08T16:04:10Z

Introduce a new mount option "nat_bits" to control nat_bits feature, by default nat_bits feature is disabled. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim

f2fs: Use a folio throughout f2fs_truncate_inode_blocks()

2025-03-04T17:02:25Z

Use f2fs_get_node_folio() to get a folio and use it throughout. Remove a few calls to compound_head() and a reference to page->mapping. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim

f2fs: Add f2fs_get_node_folio()

2025-03-04T17:02:25Z

Change __get_node_page() to return a folio and convert back to a page in f2fs_get_node_page() and f2fs_get_node_page_ra(). Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim

f2fs: Convert f2fs_in_warm_node_list() to take a folio

2025-03-04T17:02:25Z

All its callers now have access to a folio, so pass it in. Removes an access to page->mapping. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim