From 9f0fc191371843c4fc000a226b0a26b6c059aacd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:40:19 +0200 Subject: Merging upstream version 6.7.7. Signed-off-by: Daniel Baumann --- fs/notify/dnotify/dnotify.c | 12 +++++++----- fs/notify/fanotify/fanotify.h | 4 ++-- fs/notify/fanotify/fanotify_user.c | 12 ++++++------ fs/notify/inotify/inotify_user.c | 2 +- 4 files changed, 16 insertions(+), 14 deletions(-) (limited to 'fs/notify') diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c index ebdcc25df0..1cb9ad7e88 100644 --- a/fs/notify/dnotify/dnotify.c +++ b/fs/notify/dnotify/dnotify.c @@ -39,9 +39,9 @@ static void __init dnotify_sysctl_init(void) #define dnotify_sysctl_init() do { } while (0) #endif -static struct kmem_cache *dnotify_struct_cache __read_mostly; -static struct kmem_cache *dnotify_mark_cache __read_mostly; -static struct fsnotify_group *dnotify_group __read_mostly; +static struct kmem_cache *dnotify_struct_cache __ro_after_init; +static struct kmem_cache *dnotify_mark_cache __ro_after_init; +static struct fsnotify_group *dnotify_group __ro_after_init; /* * dnotify will attach one of these to each inode (i_fsnotify_marks) which @@ -265,7 +265,7 @@ int fcntl_dirnotify(int fd, struct file *filp, unsigned int arg) struct dnotify_struct *dn; struct inode *inode; fl_owner_t id = current->files; - struct file *f; + struct file *f = NULL; int destroy = 0, error = 0; __u32 mask; @@ -345,7 +345,7 @@ int fcntl_dirnotify(int fd, struct file *filp, unsigned int arg) } rcu_read_lock(); - f = lookup_fd_rcu(fd); + f = lookup_fdget_rcu(fd); rcu_read_unlock(); /* if (f != filp) means that we lost a race and another task/thread @@ -392,6 +392,8 @@ out_err: fsnotify_put_mark(new_fsn_mark); if (dn) kmem_cache_free(dnotify_struct_cache, dn); + if (f) + fput(f); return error; } diff --git a/fs/notify/fanotify/fanotify.h b/fs/notify/fanotify/fanotify.h index e8a3c28c5d..6936671e14 100644 --- a/fs/notify/fanotify/fanotify.h +++ b/fs/notify/fanotify/fanotify.h @@ -275,9 +275,9 @@ static inline void fanotify_init_event(struct fanotify_event *event, #define FANOTIFY_INLINE_FH(name, size) \ struct { \ - struct fanotify_fh (name); \ + struct fanotify_fh name; \ /* Space for object_fh.buf[] - access with fanotify_fh_buf() */ \ - unsigned char _inline_fh_buf[(size)]; \ + unsigned char _inline_fh_buf[size]; \ } struct fanotify_fid_event { diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 62fe0b679e..4d765c7249 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -112,10 +112,10 @@ static void __init fanotify_sysctls_init(void) extern const struct fsnotify_ops fanotify_fsnotify_ops; -struct kmem_cache *fanotify_mark_cache __read_mostly; -struct kmem_cache *fanotify_fid_event_cachep __read_mostly; -struct kmem_cache *fanotify_path_event_cachep __read_mostly; -struct kmem_cache *fanotify_perm_event_cachep __read_mostly; +struct kmem_cache *fanotify_mark_cache __ro_after_init; +struct kmem_cache *fanotify_fid_event_cachep __ro_after_init; +struct kmem_cache *fanotify_path_event_cachep __ro_after_init; +struct kmem_cache *fanotify_perm_event_cachep __ro_after_init; #define FANOTIFY_EVENT_ALIGN 4 #define FANOTIFY_FID_INFO_HDR_LEN \ @@ -1595,7 +1595,7 @@ static int fanotify_test_fid(struct dentry *dentry, unsigned int flags) * file handles so user can use name_to_handle_at() to compare fids * reported with events to the file handle of watched objects. */ - if (!nop) + if (!exportfs_can_encode_fid(nop)) return -EOPNOTSUPP; /* @@ -1603,7 +1603,7 @@ static int fanotify_test_fid(struct dentry *dentry, unsigned int flags) * supports decoding file handles, so user has a way to map back the * reported fids to filesystem objects. */ - if (mark_type != FAN_MARK_INODE && !nop->fh_to_dentry) + if (mark_type != FAN_MARK_INODE && !exportfs_can_decode_fh(nop)) return -EOPNOTSUPP; return 0; diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index 1c4bfdab00..a3809ae921 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -49,7 +49,7 @@ /* configurable via /proc/sys/fs/inotify/ */ static int inotify_max_queued_events __read_mostly; -struct kmem_cache *inotify_inode_mark_cachep __read_mostly; +struct kmem_cache *inotify_inode_mark_cachep __ro_after_init; #ifdef CONFIG_SYSCTL -- cgit v1.2.3