diff options
| author | Nikhilesh Reddy <reddyn@codeaurora.org> | 2016-05-04 17:54:50 -0700 |
|---|---|---|
| committer | Ankit Jain <jankit@qti.qualcomm.com> | 2017-07-17 11:39:09 +0530 |
| commit | 1b4ccee62448389f498c9e27c2dcbd7b507a8240 (patch) | |
| tree | 8460d9c88e1130fd9ef5897b998593827e11ab8b /include | |
| parent | d9fbe4b9210bcf0b7553d224f1c7390c15b91022 (diff) | |
vfs: Add support to debug umount failures
When umount of a partition fails with EBUSY there is
no indication as to what is keeping the mount point busy.
Add support to print a kernel log showing what files
are open on this mount point.
Also add a new new config option CONFIG_FILE_TABLE_DEBUG to
enable this feature.
Change-Id: Id7a3f5e7291b22ffd0f265848ec0a9757f713561
Signed-off-by: Nikhilesh Reddy <reddyn@codeaurora.org>
Signed-off-by: Ankit Jain <ankijain@codeaurora.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 4b27be2038e3..df1171bada01 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -912,6 +912,10 @@ struct file { struct list_head f_tfile_llink; #endif /* #ifdef CONFIG_EPOLL */ struct address_space *f_mapping; + +#ifdef CONFIG_FILE_TABLE_DEBUG + struct hlist_node f_hash; +#endif /* #ifdef CONFIG_FILE_TABLE_DEBUG */ } __attribute__((aligned(4))); /* lest something weird decides that 2 is OK */ struct file_handle { |