kernel.git/fs/xfs/libxfs, branch linux-6.15.y

xfs: don't allocate the xfs_extent_busy structure for zoned RTGs

2025-07-24T06:58:30Z

commit 5948705adbf1a7afcecfe9a13ff39221ef61e16b upstream. Busy extent tracking is primarily used to ensure that freed blocks are not reused for data allocations before the transaction that deleted them has been committed to stable storage, and secondarily to drive online discard. None of the use cases applies to zoned RTGs, as the zoned allocator can't overwrite blocks before resetting the zone, which already flushes out all transactions touching the RTGs. So the busy extent tracking is not needed for zoned RTGs, and also not called for zoned RTGs. But somehow the code to skip allocating and freeing the structure got lost during the zoned XFS upstreaming process. This not only causes these structures to unnecessarily allocated, but can also lead to memory leaks as the xg_busy_extents pointer in the xfs_group structure is overlayed with the pointer for the linked list of to be reset zones. Stop allocating and freeing the structure to not pointlessly allocate memory which is then leaked when the zone is reset. Fixes: 080d01c41d44 ("xfs: implement zoned garbage collection") Signed-off-by: Christoph Hellwig Cc: # v6.15 [cem: Fix type and add stable tag] Reviewed-by: Darrick J. Wong Signed-off-by: Carlos Maiolino Signed-off-by: Greg Kroah-Hartman

xfs: remove the flags argument to xfs_buf_get_uncached

2025-03-18T13:47:45Z

No callers passes flags to xfs_buf_get_uncached, which makes sense given that the flags apply to behavior not used for uncached buffers. Signed-off-by: Christoph Hellwig Reviewed-by: Carlos Maiolino Signed-off-by: Carlos Maiolino

Merge branch 'xfs-6.15-folios_vmalloc' into XFS-for-linus-6.15-merge

2025-03-18T13:10:30Z

Merge buffer cache conversion to folios and vmalloc Signed-off-by: Carlos Maiolino

Merge branch 'xfs-6.15-zoned_devices' into XFS-for-linus-6.15-merge

2025-03-18T13:06:04Z

Merge Zoned allocator for XFS. Signed-off-by: Carlos Maiolino

xfs: Use abs_diff instead of XFS_ABSDIFF

2025-03-14T12:40:17Z

We have a central definition for this function since 2023, used by a number of different parts of the kernel. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Carlos Maiolino Reviewed-by: Eric Sandeen Signed-off-by: Carlos Maiolino

xfs: Remove duplicate xfs_rtbitmap.h header

2025-03-12T09:00:43Z

./fs/xfs/libxfs/xfs_sb.c: xfs_rtbitmap.h is included more than once. Fixes: 2167eaabe2fa ("xfs: define the zoned on-disk format") Reported-by: Abaci Robot Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=19446 Signed-off-by: Jiapeng Chong Reviewed-by: Christoph Hellwig Signed-off-by: Carlos Maiolino

xfs: kill XBF_UNMAPPED

2025-03-10T13:29:44Z

Unmapped buffer access is a pain, so kill it. The switch to large folios means we rarely pay a vmap penalty for large buffers, so this functionality is largely unnecessary now. Signed-off-by: Christoph Hellwig Signed-off-by: Dave Chinner Reviewed-by: Darrick J. Wong Signed-off-by: Carlos Maiolino

Merge branch 'xfs-6.15-merge' into for-next

2025-03-10T09:35:39Z

XFS code for 6.15 to be merged into linux-next Signed-off-by: Carlos Maiolino

xfs: Use abs_diff instead of XFS_ABSDIFF

2025-03-10T09:28:34Z

xfs: support zone gaps

2025-03-03T15:17:09Z

Zoned devices can have gaps beyond the usable capacity of a zone and the end in the LBA/daddr address space. In other words, the hardware equivalent to the RT groups already takes care of the power of 2 alignment for us. In this case the sparse FSB/RTB address space maps 1:1 to the device address space. Signed-off-by: Christoph Hellwig Reviewed-by: "Darrick J. Wong"