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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5b0457ad02
inode_mark and vfsmount_mark arguments are passed to handle_event() operation as function arguments as well as on iter_info struct. The difference is that iter_info struct may contain marks that should not be handled and are represented as NULL arguments to inode_mark or vfsmount_mark. Instead of passing the inode_mark and vfsmount_mark arguments, add a report_mask member to iter_info struct to indicate which marks should be handled, versus marks that should only be kept alive during user wait. This change is going to be used for passing more mark types with handle_event() (i.e. super block marks). Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
51 lines
1.3 KiB
C
51 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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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_event(struct fsnotify_group *group,
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struct inode *inode,
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u32 mask, const void *data, int data_type,
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const unsigned char *file_name, u32 cookie,
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struct fsnotify_iter_info *iter_info);
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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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