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Brian Behlendorf
d02fc15ba1
The ZFS_ENTER/ZFS_EXIT/ZFS_VERFY_ZP macros should not be used in the Linux zpl_*.c source files. They return a positive error value which is correct for the common code, but not for the Linux specific kernel code which expects a negative return value. The ZPL_ENTER/ZPL_EXIT/ZPL_VERFY_ZP macros should be used instead. Furthermore, the ZPL_EXIT macro has been updated to not call the zfs_exit_fs() function. This prevents a possible deadlock which can occur when a snapshot is automatically unmounted because the zpl_show_devname() must never wait on in progress automatic snapshot unmounts. Reviewed-by: Adam Moss <c@yotes.com> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11169 Closes #11201