diff options
| author | Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> | 2006-02-24 13:03:58 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-24 14:31:37 -0800 |
| commit | fe1db50c7222c67466e41241bc7ef17b469bcf1d (patch) | |
| tree | 1956b61473d8e9cc8a1a0849e75a728b1395f902 | |
| parent | f462e8f913bdc7a28ce55508d0c045a0c445b157 (diff) | |
| download | linux-3.10-fe1db50c7222c67466e41241bc7ef17b469bcf1d.tar.gz linux-3.10-fe1db50c7222c67466e41241bc7ef17b469bcf1d.tar.bz2 linux-3.10-fe1db50c7222c67466e41241bc7ef17b469bcf1d.zip | |
[PATCH] uml: tidying COW code
Improve (especially for coherence) some prototypes, and return code of
init_cow_file in error case - for a short write return -EINVAL, otherwise
return the error we got!
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/um/drivers/cow.h | 2 | ||||
| -rw-r--r-- | arch/um/drivers/cow_sys.h | 4 | ||||
| -rw-r--r-- | arch/um/drivers/cow_user.c | 3 | ||||
| -rw-r--r-- | arch/um/drivers/ubd_kern.c | 2 |
4 files changed, 6 insertions, 5 deletions
diff --git a/arch/um/drivers/cow.h b/arch/um/drivers/cow.h index dc36b222100..04e3958266e 100644 --- a/arch/um/drivers/cow.h +++ b/arch/um/drivers/cow.h @@ -46,7 +46,7 @@ extern int file_reader(__u64 offset, char *buf, int len, void *arg); extern int read_cow_header(int (*reader)(__u64, char *, int, void *), void *arg, __u32 *version_out, char **backing_file_out, time_t *mtime_out, - unsigned long long *size_out, int *sectorsize_out, + __u64 *size_out, int *sectorsize_out, __u32 *align_out, int *bitmap_offset_out); extern int write_cow_header(char *cow_file, int fd, char *backing_file, diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h index df25263d2ad..94de4ead4f7 100644 --- a/arch/um/drivers/cow_sys.h +++ b/arch/um/drivers/cow_sys.h @@ -23,12 +23,12 @@ static inline char *cow_strdup(char *str) return(uml_strdup(str)); } -static inline int cow_seek_file(int fd, unsigned long long offset) +static inline int cow_seek_file(int fd, __u64 offset) { return(os_seek_file(fd, offset)); } -static inline int cow_file_size(char *file, unsigned long long *size_out) +static inline int cow_file_size(char *file, __u64 *size_out) { return(os_file_size(file, size_out)); } diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c index d1c86bc377b..61951b72126 100644 --- a/arch/um/drivers/cow_user.c +++ b/arch/um/drivers/cow_user.c @@ -362,7 +362,8 @@ int init_cow_file(int fd, char *cow_file, char *backing_file, int sectorsize, if(err != sizeof(zero)){ cow_printf("Write of bitmap to new COW file '%s' failed, " "err = %d\n", cow_file, -err); - err = -EINVAL; + if (err >= 0) + err = -EINVAL; goto out; } diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 101efd26d46..fa617e0719a 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1135,7 +1135,7 @@ static int path_requires_switch(char *from_cmdline, char *from_cow, char *cow) static int backing_file_mismatch(char *file, __u64 size, time_t mtime) { unsigned long modtime; - long long actual; + unsigned long long actual; int err; err = os_file_modtime(file, &modtime); |