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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-04-14 12:00:36 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-04-14 12:00:36 -0300
commit277a163c83d7ba93fba1e8980d29a9f8bfcfba6c (patch)
treeccfd357d152292958957b6b8a993892e7a8cc95f /include/linux/file.h
parenta83b93a7480441a47856dc9104bea970e84cda87 (diff)
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
Merge tag 'v3.15-rc1' into patchwork
Linux 3.15-rc1 * tag 'v3.15-rc1': (12180 commits) Linux 3.15-rc1 mm: Initialize error in shmem_file_aio_read() cifs: Use min_t() when comparing "size_t" and "unsigned long" sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue powerpc: Don't try to set LPCR unless we're in hypervisor mode futex: update documentation for ordering guarantees ceph: fix pr_fmt() redefinition vti: don't allow to add the same tunnel twice gre: don't allow to add the same tunnel twice drivers: net: xen-netfront: fix array initialization bug missing bits of "splice: fix racy pipe->buffers uses" cifs: fix the race in cifs_writev() ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure pktgen: be friendly to LLTX devices r8152: check RTL8152_UNPLUG net: sun4i-emac: add promiscuous support net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO blackfin: cleanup board files bf609: clock: drop unused clock bit set/clear functions Blackfin: bf537: rename "CONFIG_ADT75" ...
Diffstat (limited to 'include/linux/file.h')
-rw-r--r--include/linux/file.h27
1 files changed, 15 insertions, 12 deletions
diff --git a/include/linux/file.h b/include/linux/file.h
index cbacf4faf44..4d69123377a 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -28,33 +28,36 @@ static inline void fput_light(struct file *file, int fput_needed)
struct fd {
struct file *file;
- int need_put;
+ unsigned int flags;
};
+#define FDPUT_FPUT 1
+#define FDPUT_POS_UNLOCK 2
static inline void fdput(struct fd fd)
{
- if (fd.need_put)
+ if (fd.flags & FDPUT_FPUT)
fput(fd.file);
}
extern struct file *fget(unsigned int fd);
-extern struct file *fget_light(unsigned int fd, int *fput_needed);
+extern struct file *fget_raw(unsigned int fd);
+extern unsigned long __fdget(unsigned int fd);
+extern unsigned long __fdget_raw(unsigned int fd);
+extern unsigned long __fdget_pos(unsigned int fd);
-static inline struct fd fdget(unsigned int fd)
+static inline struct fd __to_fd(unsigned long v)
{
- int b;
- struct file *f = fget_light(fd, &b);
- return (struct fd){f,b};
+ return (struct fd){(struct file *)(v & ~3),v & 3};
}
-extern struct file *fget_raw(unsigned int fd);
-extern struct file *fget_raw_light(unsigned int fd, int *fput_needed);
+static inline struct fd fdget(unsigned int fd)
+{
+ return __to_fd(__fdget(fd));
+}
static inline struct fd fdget_raw(unsigned int fd)
{
- int b;
- struct file *f = fget_raw_light(fd, &b);
- return (struct fd){f,b};
+ return __to_fd(__fdget_raw(fd));
}
extern int f_dupfd(unsigned int from, struct file *file, unsigned flags);