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1a2620a998
Convert inotify to use the simple handle_inode_event() interface to
get rid of the code duplication between the generic helper
fsnotify_handle_event() and the inotify_handle_event() callback, which
also happen to be buggy code.
The bug will be fixed in the generic helper.
Link: https://lore.kernel.org/r/20201202120713.702387-3-amir73il@gmail.com
CC: stable@vger.kernel.org
Fixes: b9a1b97725 ("fsnotify: create method handle_inode_event() in fsnotify_operations")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#include <linux/fsnotify_backend.h>
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#include <linux/inotify.h>
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#include <linux/slab.h> /* struct kmem_cache */
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struct inotify_event_info {
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struct fsnotify_event fse;
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u32 mask;
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int wd;
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u32 sync_cookie;
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int name_len;
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char name[];
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};
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struct inotify_inode_mark {
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struct fsnotify_mark fsn_mark;
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int wd;
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};
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static inline struct inotify_event_info *INOTIFY_E(struct fsnotify_event *fse)
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{
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return container_of(fse, struct inotify_event_info, fse);
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}
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extern void inotify_ignored_and_remove_idr(struct fsnotify_mark *fsn_mark,
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struct fsnotify_group *group);
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extern int inotify_handle_inode_event(struct fsnotify_mark *inode_mark,
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u32 mask, struct inode *inode,
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struct inode *dir,
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const struct qstr *name, u32 cookie);
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extern const struct fsnotify_ops inotify_fsnotify_ops;
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extern struct kmem_cache *inotify_inode_mark_cachep;
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#ifdef CONFIG_INOTIFY_USER
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static inline void dec_inotify_instances(struct ucounts *ucounts)
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{
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dec_ucount(ucounts, UCOUNT_INOTIFY_INSTANCES);
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}
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static inline struct ucounts *inc_inotify_watches(struct ucounts *ucounts)
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{
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return inc_ucount(ucounts->ns, ucounts->uid, UCOUNT_INOTIFY_WATCHES);
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}
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static inline void dec_inotify_watches(struct ucounts *ucounts)
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{
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dec_ucount(ucounts, UCOUNT_INOTIFY_WATCHES);
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}
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#endif
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