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linux/fs/tracefs
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Beau Belgrave 5eaf7f0589 eventfs: Fix events beyond NAME_MAX blocking tasks 
Eventfs uses simple_lookup(), however, it will fail if the name of the
entry is beyond NAME_MAX length. When this error is encountered, eventfs
still tries to create dentries instead of skipping the dentry creation.
When the dentry is attempted to be created in this state d_wait_lookup()
will loop forever, waiting for the lookup to be removed.

Fix eventfs to return the error in simple_lookup() back to the caller
instead of continuing to try to create the dentry.

Link: https://lore.kernel.org/linux-trace-kernel/20231210213534.497-1-beaub@linux.microsoft.com

Fixes: 6394044955 ("eventfs: Implement eventfs lookup, read, open functions")
Link: https://lore.kernel.org/linux-trace-kernel/20231208183601.GA46-beaub@linux.microsoft.com/
Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
History 2023-12-12 19:00:37 -05:00
..
event_inode.c eventfs: Fix events beyond NAME_MAX blocking tasks 2023-12-12 19:00:37 -05:00
inode.c eventfs: Do not allow NULL parent to eventfs_start_creating() 2023-11-22 18:37:26 -05:00
internal.h eventfs: Use simple_recursive_removal() to clean up dentries 2023-11-02 00:18:36 -04:00
Makefile eventfs: Implement eventfs dir creation functions 2023-07-30 18:13:33 -04:00