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staging: lustre: libcfs: remove MMSPACE macros

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Another abstraction that is not needed.

Signed-off-by: James Simmons <uja.ornl@gmail.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6245
Reviewed-on: http://review.whamcloud.com/13841
Reviewed-by: frank zago <fzago@cray.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
James Simmons 2016-03-31 10:18:38 -04:00 committed by Greg Kroah-Hartman
parent badc9feddf
commit e3e30e10c5
2 changed files with 8 additions and 14 deletions
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5
drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
View File

@ -65,9 +65,4 @@
#define NUM_CACHEPAGES totalram_pages
#endif
#define DECL_MMSPACE mm_segment_t __oldfs
#define MMSPACE_OPEN \
do { __oldfs = get_fs(); set_fs(get_ds()); } while (0)
#define MMSPACE_CLOSE set_fs(__oldfs)
#endif /* __LINUX_CFS_MEM_H__ */

17
drivers/staging/lustre/lnet/libcfs/tracefile.c
View File

@ -707,10 +707,9 @@ int cfs_tracefile_dump_all_pages(char *filename)
struct cfs_trace_page *tage;
struct cfs_trace_page *tmp;
char *buf;
mm_segment_t __oldfs;
int rc;
DECL_MMSPACE;
cfs_tracefile_write_lock();
filp = filp_open(filename, O_CREAT | O_EXCL | O_WRONLY | O_LARGEFILE,
@ -729,11 +728,12 @@ int cfs_tracefile_dump_all_pages(char *filename)
rc = 0;
goto close;
}
__oldfs = get_fs();
set_fs(get_ds());
/* ok, for now, just write the pages. in the future we'll be building
* iobufs with the pages and calling generic_direct_IO
*/
MMSPACE_OPEN;
list_for_each_entry_safe(tage, tmp, &pc.pc_pages, linkage) {
__LASSERT_TAGE_INVARIANT(tage);
@ -752,7 +752,7 @@ int cfs_tracefile_dump_all_pages(char *filename)
list_del(&tage->linkage);
cfs_tage_free(tage);
}
MMSPACE_CLOSE;
set_fs(__oldfs);
rc = vfs_fsync(filp, 1);
if (rc)
pr_err("sync returns %d\n", rc);
@ -986,13 +986,12 @@ static int tracefiled(void *arg)
struct tracefiled_ctl *tctl = arg;
struct cfs_trace_page *tage;
struct cfs_trace_page *tmp;
mm_segment_t __oldfs;
struct file *filp;
char *buf;
int last_loop = 0;
int rc;
DECL_MMSPACE;
/* we're started late enough that we pick up init's fs context */
/* this is so broken in uml? what on earth is going on? */
@ -1025,8 +1024,8 @@ static int tracefiled(void *arg)
__LASSERT(list_empty(&pc.pc_pages));
goto end_loop;
}
MMSPACE_OPEN;
__oldfs = get_fs();
set_fs(get_ds());
list_for_each_entry_safe(tage, tmp, &pc.pc_pages, linkage) {
static loff_t f_pos;
@ -1051,7 +1050,7 @@ static int tracefiled(void *arg)
break;
}
}
MMSPACE_CLOSE;
set_fs(__oldfs);
filp_close(filp, NULL);
put_pages_on_daemon_list(&pc);