diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-12-05 15:25:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-12-05 15:25:13 -0800 |
| commit | 4b6b4321280ea1ea1e101fd39d8664195d18ecb0 (patch) | |
| tree | d43047c39156320dbeeff9aa25ad54f38bd00ccb /fs/dcache.c | |
| parent | 7cd122b55283d3ceef71a5b723ccaa03a72284b4 (diff) | |
| parent | 8da059f2a497a2427150faae5adc3bb78e73b3e2 (diff) | |
Merge tag 'fuse-update-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
- Add mechanism for cleaning out unused, stale dentries; controlled via
a module option (Luis Henriques)
- Fix various bugs
- Cleanups
* tag 'fuse-update-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: Uninitialized variable in fuse_epoch_work()
fuse: fix io-uring list corruption for terminated non-committed requests
fuse: signal that a fuse inode should exhibit local fs behaviors
fuse: Always flush the page cache before FOPEN_DIRECT_IO write
fuse: Invalidate the page cache after FOPEN_DIRECT_IO write
fuse: rename 'namelen' to 'namesize'
fuse: use strscpy instead of strcpy
fuse: refactor fuse_conn_put() to remove negative logic.
fuse: new work queue to invalidate dentries from old epochs
fuse: new work queue to periodically invalidate expired dentries
dcache: export shrink_dentry_list() and add new helper d_dispose_if_unused()
fuse: add WARN_ON and comment for RCU revalidate
fuse: Fix whitespace for fuse_uring_args_to_ring() comment
fuse: missing copy_finish in fuse-over-io-uring argument copies
fuse: fix readahead reclaim deadlock
Diffstat (limited to 'fs/dcache.c')
| -rw-r--r-- | fs/dcache.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index c8e21b4423cf..dc2fff4811d1 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1104,6 +1104,15 @@ struct dentry *d_find_alias_rcu(struct inode *inode) return de; } +void d_dispose_if_unused(struct dentry *dentry, struct list_head *dispose) +{ + spin_lock(&dentry->d_lock); + if (!dentry->d_lockref.count) + to_shrink_list(dentry, dispose); + spin_unlock(&dentry->d_lock); +} +EXPORT_SYMBOL(d_dispose_if_unused); + /* * Try to kill dentries associated with this inode. * WARNING: you must own a reference to inode. @@ -1114,12 +1123,8 @@ void d_prune_aliases(struct inode *inode) struct dentry *dentry; spin_lock(&inode->i_lock); - hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) { - spin_lock(&dentry->d_lock); - if (!dentry->d_lockref.count) - to_shrink_list(dentry, &dispose); - spin_unlock(&dentry->d_lock); - } + hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) + d_dispose_if_unused(dentry, &dispose); spin_unlock(&inode->i_lock); shrink_dentry_list(&dispose); } @@ -1159,6 +1164,7 @@ void shrink_dentry_list(struct list_head *list) shrink_kill(dentry); } } +EXPORT_SYMBOL(shrink_dentry_list); static enum lru_status dentry_lru_isolate(struct list_head *item, struct list_lru_one *lru, void *arg) |