- 13 12月, 2005 1 次提交
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由 John McCutchan 提交于
The below patch lets userspace have more control over the inodes that inotify will watch. It introduces two new flags. IN_ONLYDIR -- only watch the inode if it is a directory. This is needed to avoid the race that can occur when we want to be sure that we are watching a directory. IN_DONT_FOLLOW -- don't follow a symlink. In combination with IN_ONLYDIR we can make sure that we don't watch the target of symlinks. The issues the flags fix came up when writing the gnome-vfs inotify backend. Default behaviour is unchanged. Signed-off-by: NJohn McCutchan <ttb@tentacle.dhs.org> Acked-by: NRobert Love <rml@novell.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 09 11月, 2005 1 次提交
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由 Christoph Hellwig 提交于
Most permission() calls have a struct nameidata * available. This helper takes that as an argument and thus makes sure we pass it down for lookup intents and prepares for per-mount read-only support where we need a struct vfsmount for checking whether a file is writeable. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 24 10月, 2005 1 次提交
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由 Andrew Morton 提交于
Fix a bug which was reported and diagnosed by Stefan Jones <stefan.jones@churchillrandoms.co.uk> IDR trees include a cache of idr_layer objects. There's no way to destroy this cache, so when we discard an overall idr tree we end up leaking some memory. Add and use idr_destroy() for this. v9fs and infiniband also need to use idr_destroy() to avoid leaks. Or, we make the cache global, like radix_tree_preload(). Which is probably better. Later. Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org> Cc: Roland Dreier <rolandd@cisco.com> Cc: Robert Love <rml@novell.com> Cc: John McCutchan <ttb@tentacle.dhs.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 08 9月, 2005 2 次提交
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由 John McCutchan 提交于
People have run into a problem when they do this: watch (file1, all_events); watch (file2, some_events); if file2 is a hard link to file1, some events will be missed because by default we replace the mask. The patch below adds a flag IN_MASK_ADD which will cause inotify to add to the existing mask if present. Signed-off-by: NJohn McCutchan <ttb@tentacle.dhs.org> Signed-off-by: NRobert Love <rml@novell.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 John McCutchan 提交于
Bypass an inotify-related fastpath spinlock and several function calls on systems which have no inotify watches registered. Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 27 8月, 2005 1 次提交
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由 John McCutchan 提交于
There is an off by one problem with idr_get_new_above. The comment and function name suggest that it will return an id > starting_id, but it actually returned an id >= starting_id, and kernel callers other than inotify treated it as such. The patch below fixes the comment, and fixes inotifys usage. The function name still doesn't match the behaviour, but it never did. Signed-off-by: NJohn McCutchan <ttb@tentacle.dhs.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 16 8月, 2005 1 次提交
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由 Robert Love 提交于
We are saving the wrong thing in ->last_wd. We want the wd, not the return value. Signed-off-by: NRobert Love <rml@novell.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 02 8月, 2005 1 次提交
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由 John McCutchan 提交于
When you rm a watch, an IN_IGNORED event is sent down the event queue with the watch descriptor that you just rm'd. If you then add a watch you could get the ignored watch's wd and if you haven't read the entire event queue, user space will think that it's newly created watch was just ignored. To avoid this problem we just use idr_get_new_above instead of idr_get_new. Signed-off-by: NJohn McCutchan <ttb@tentacle.dhs.org> Signed-off-by: NRobert Love <rml@novell.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 27 7月, 2005 7 次提交
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由 Andrew Morton 提交于
Cc: Robert Love <rml@novell.com> Cc: John McCutchan <ttb@tentacle.dhs.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Robert Love 提交于
Check for (unlikely) errors in the filesystem initialization stuff in our module_init() function. Signed-off-by: NRobert Love <rml@novell.com> Signed-off-by: NJohn McCutchan <ttb@tentacle.dhs.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Robert Love 提交于
Change default inotify limits: Maximum instances per user to 128 and maximum events per queue to 16k. The max instances used to be 128; the change to 8 was a mistake. Memory consumption is fine. Signed-off-by: NRobert Love <rml@novell.com> Signed-off-by: NJohn McCutchan <ttb@tentacle.dhs.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Robert Love 提交于
Handle error out paths better. Signed-off-by: NRobert Love <rml@novell.com> Signed-off-by: NJohn McCutchan <ttb@tentacle.dhs.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Robert Love 提交于
Bug fix: Ensure that the fd passed to inotify_add_watch() and inotify_rm_watch() belongs to inotify. Signed-off-by: NRobert Love <rml@novell.com> Signed-off-by: NJohn McCutchan <ttb@tentacle.dhs.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Robert Love 提交于
As an optimization, use fget_light() and fput_light() where possible. Signed-off-by: NRobert Love <rml@novell.com> Signed-off-by: NJohn McCutchan <ttb@tentacle.dhs.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Robert Love 提交于
Miscellaneous invariant clean up, comment fixes, and so on. Trivial stuff. Signed-off-by: NRobert Love <rml@novell.com> Signed-off-by: NJohn McCutchan <ttb@tentacle.dhs.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 14 7月, 2005 2 次提交
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由 Robert Love 提交于
Really simple, basic cleanup. Signed-off-by: NRobert Love <rml@novell.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Robert Love 提交于
This moves the inotify sysctl knobs to "/proc/sys/fs/inotify" from "/proc/sys/fs". Also some related cleanup. Signed-off-by: NRobert Love <rml@novell.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 13 7月, 2005 1 次提交
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由 Robert Love 提交于
inotify is intended to correct the deficiencies of dnotify, particularly its inability to scale and its terrible user interface: * dnotify requires the opening of one fd per each directory that you intend to watch. This quickly results in too many open files and pins removable media, preventing unmount. * dnotify is directory-based. You only learn about changes to directories. Sure, a change to a file in a directory affects the directory, but you are then forced to keep a cache of stat structures. * dnotify's interface to user-space is awful. Signals? inotify provides a more usable, simple, powerful solution to file change notification: * inotify's interface is a system call that returns a fd, not SIGIO. You get a single fd, which is select()-able. * inotify has an event that says "the filesystem that the item you were watching is on was unmounted." * inotify can watch directories or files. Inotify is currently used by Beagle (a desktop search infrastructure), Gamin (a FAM replacement), and other projects. See Documentation/filesystems/inotify.txt. Signed-off-by: NRobert Love <rml@novell.com> Cc: John McCutchan <ttb@tentacle.dhs.org> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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