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Deprecate the "mount -f" option for Linux 3.13 and later kernels

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containing commit eee5cc2702929fd41cce28058dc6d6717f723f87, which
removed the super_block.s_files list_head member and the open files
list that it contained.  Without the patch, the command option fails
with the error message "mount: invalid structure member offset:
super_block_s_files"
(anderson@redhat.com)
This commit is contained in:
Dave Anderson 2014-06-27 11:18:23 -04:00
parent 683ae262f4
commit 5094787767
1 changed files with 11 additions and 4 deletions
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15
filesys.c
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@ -1372,12 +1372,19 @@ show_mounts(ulong one_vfsmount, int flags, struct task_context *namespace_contex
if (flags == 0)
fprintf(fp, "%s", mount_hdr);
if ((flags & MOUNT_PRINT_FILES) &&
(sb_s_files = OFFSET(super_block_s_files)) == INVALID_OFFSET) {
sb_s_files = VALID_MEMBER(super_block_s_files) ?
OFFSET(super_block_s_files) : INVALID_OFFSET;
if ((flags & MOUNT_PRINT_FILES) && (sb_s_files == INVALID_OFFSET)) {
/*
* No open files list in super_block (2.2).
* Use inuse_filps list instead.
* super_block.s_files deprecated
*/
if (!kernel_symbol_exists("inuse_filps"))
option_not_supported('f');
/*
* No open files list in super_block (2.2).
* Use inuse_filps list instead.
*/
dentry_list = create_dentry_array(symbol_value("inuse_filps"),
&cnt);
}