diff options
| author | Rob Norris <[email protected]> | 2023-12-16 17:39:07 +1100 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2023-12-21 11:03:08 -0800 |
| commit | 18a9185165e2713e690e52347a37de1878e2a9fc (patch) | |
| tree | dd9f4da2346d08614ed4ea597670b447ec771a21 /module/os | |
| parent | 3c13601a12b1739d09cec36eb5057b24141b4ae7 (diff) | |
linux 6.7 compat: handle superblock shrinker member change
In 6.7 the superblock shrinker member s_shrink has changed from being an
embedded struct to a pointer. Detect this, and don't take a reference if
it already is one.
Signed-off-by: Rob Norris <[email protected]>
Sponsored-by: https://github.com/sponsors/robn
Diffstat (limited to 'module/os')
| -rw-r--r-- | module/os/linux/zfs/zfs_vfsops.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/module/os/linux/zfs/zfs_vfsops.c b/module/os/linux/zfs/zfs_vfsops.c index 2792bc027..2015c20d7 100644 --- a/module/os/linux/zfs/zfs_vfsops.c +++ b/module/os/linux/zfs/zfs_vfsops.c @@ -1240,12 +1240,18 @@ zfs_prune_aliases(zfsvfs_t *zfsvfs, unsigned long nr_to_scan) * and inode caches. This can occur when the ARC needs to free meta data * blocks but can't because they are all pinned by entries in these caches. */ +#if defined(HAVE_SUPER_BLOCK_S_SHRINK) +#define S_SHRINK(sb) (&(sb)->s_shrink) +#elif defined(HAVE_SUPER_BLOCK_S_SHRINK_PTR) +#define S_SHRINK(sb) ((sb)->s_shrink) +#endif + int zfs_prune(struct super_block *sb, unsigned long nr_to_scan, int *objects) { zfsvfs_t *zfsvfs = sb->s_fs_info; int error = 0; - struct shrinker *shrinker = &sb->s_shrink; + struct shrinker *shrinker = S_SHRINK(sb); struct shrink_control sc = { .nr_to_scan = nr_to_scan, .gfp_mask = GFP_KERNEL, @@ -1257,7 +1263,7 @@ zfs_prune(struct super_block *sb, unsigned long nr_to_scan, int *objects) #if defined(HAVE_SPLIT_SHRINKER_CALLBACK) && \ defined(SHRINK_CONTROL_HAS_NID) && \ defined(SHRINKER_NUMA_AWARE) - if (sb->s_shrink.flags & SHRINKER_NUMA_AWARE) { + if (shrinker->flags & SHRINKER_NUMA_AWARE) { *objects = 0; for_each_online_node(sc.nid) { *objects += (*shrinker->scan_objects)(shrinker, &sc); |