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fsnotify: add helper to get mask from connector

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Use a helper to get the mask from the object (i.e. i_fsnotify_mask)
to generalize code of add/remove inode/vfsmount mark.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Amir Goldstein
2018-06-23 17:54:50 +03:00
committed by Jan Kara
parent 36f10f55ff
commit 3ac70bfcde
3 changed files with 31 additions and 12 deletions
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16
fs/notify/fanotify/fanotify_user.c
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@@ -542,8 +542,8 @@ static int fanotify_remove_vfsmount_mark(struct fsnotify_group *group,
removed = fanotify_mark_remove_from_mask(fsn_mark, mask, flags,
&destroy_mark);
if (removed & real_mount(mnt)->mnt_fsnotify_mask)
fsnotify_recalc_mask(real_mount(mnt)->mnt_fsnotify_marks);
if (removed & fsnotify_conn_mask(fsn_mark->connector))
fsnotify_recalc_mask(fsn_mark->connector);
if (destroy_mark)
fsnotify_detach_mark(fsn_mark);
mutex_unlock(&group->mark_mutex);
@@ -571,8 +571,8 @@ static int fanotify_remove_inode_mark(struct fsnotify_group *group,
removed = fanotify_mark_remove_from_mask(fsn_mark, mask, flags,
&destroy_mark);
if (removed & inode->i_fsnotify_mask)
fsnotify_recalc_mask(inode->i_fsnotify_marks);
if (removed & fsnotify_conn_mask(fsn_mark->connector))
fsnotify_recalc_mask(fsn_mark->connector);
if (destroy_mark)
fsnotify_detach_mark(fsn_mark);
mutex_unlock(&group->mark_mutex);
@@ -658,8 +658,8 @@ static int fanotify_add_vfsmount_mark(struct fsnotify_group *group,
}
}
added = fanotify_mark_add_to_mask(fsn_mark, mask, flags);
if (added & ~real_mount(mnt)->mnt_fsnotify_mask)
fsnotify_recalc_mask(real_mount(mnt)->mnt_fsnotify_marks);
if (added & ~fsnotify_conn_mask(fsn_mark->connector))
fsnotify_recalc_mask(fsn_mark->connector);
mutex_unlock(&group->mark_mutex);
fsnotify_put_mark(fsn_mark);
@@ -697,8 +697,8 @@ static int fanotify_add_inode_mark(struct fsnotify_group *group,
}
}
added = fanotify_mark_add_to_mask(fsn_mark, mask, flags);
if (added & ~inode->i_fsnotify_mask)
fsnotify_recalc_mask(inode->i_fsnotify_marks);
if (added & ~fsnotify_conn_mask(fsn_mark->connector))
fsnotify_recalc_mask(fsn_mark->connector);
mutex_unlock(&group->mark_mutex);
fsnotify_put_mark(fsn_mark);