search for: add_mtab

...mount.cifs: Properly update mtab during remount During a remount of a cifs filesystem, the mtab file is not properly updated, which leads to a doubled entry of the same filesystem in the /etc/mtab file. This patch adds a new function del_mtab() which is called before the add_mtab() in case the fs is being remounted. The del_mtab() function will delete from the mtab, the old entry from the filesystem which is being remounted, and then, calls add_mtab() to add an updated entry to the mtab file. Signed-off-by: Carlos Maiolino <cmaiolino at redhat.c...

...e mntent won't be appended to the file in its entirety. Add a my_endmntent routine that will fflush and then fsync the FILE if that succeeds. If either fails then it will truncate the file back to its provided size. It will then call endmntent unconditionally. Have add_mtab call fstat on the opened mtab file in order to get the size of the file before it has been appended. Assuming that that succeeds, use my_endmntent to ensure that the file is not corrupted before closing it. It's possible that we'll have a small race window where the mtab is...