diff options
Diffstat (limited to 'booster/src/booster.c')
-rw-r--r-- | booster/src/booster.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/booster/src/booster.c b/booster/src/booster.c index 98f91041324..43c84890b04 100644 --- a/booster/src/booster.c +++ b/booster/src/booster.c @@ -194,6 +194,9 @@ static int (*real_fcntl) (int fd, int cmd, ...); static int (*real_chdir) (const char *path); static int (*real_fchdir) (int fd); static char * (*real_getcwd) (char *buf, size_t size); +static int (*real_truncate) (const char *path, off_t length); +static int (*real_truncate64) (const char *path, loff_t length); + #define RESOLVE(sym) do { \ if (!real_##sym) \ @@ -2826,6 +2829,77 @@ getcwd (char *buf, size_t size) } +int __REDIRECT (booster_false_truncate, (const char *path, off_t length), + truncate) __nonnull ((1)); +int __REDIRECT (booster_false_truncate64, (const char *path, loff_t length), + truncate64) __nonnull ((1));; + +int +booster_false_truncate (const char *path, off_t length) +{ + int ret = -1; + + gf_log ("booster", GF_LOG_TRACE, "truncate: path (%s) length (%"PRIu64 + ")", path, length); + + ret = glusterfs_truncate (path, length); + if ((ret == -1) && (errno != ENODEV)) { + gf_log ("booster", GF_LOG_ERROR, "truncate failed: %s", + strerror (errno)); + goto out; + } + + if (ret == 0) { + gf_log ("booster", GF_LOG_TRACE, "truncate succeeded"); + goto out; + } + + if (real_truncate != NULL) + ret = real_truncate (path, length); + else { + errno = ENOSYS; + ret = -1; + goto out; + } + +out: + return ret; +} + + +int +booster_false_truncate64 (const char *path, loff_t length) +{ + int ret = -1; + + gf_log ("booster", GF_LOG_TRACE, "truncate64: path (%s) length " + "(%"PRIu64")", path, length); + + ret = glusterfs_truncate (path, length); + if ((ret == -1) && (errno != ENODEV)) { + gf_log ("booster", GF_LOG_ERROR, "truncate64 failed: %s", + strerror (errno)); + goto out; + } + + if (ret == 0) { + gf_log ("booster", GF_LOG_TRACE, "truncate64 succeeded"); + goto out; + } + + if (real_truncate64 != NULL) + ret = real_truncate64 (path, length); + else { + errno = ENOSYS; + ret = -1; + goto out; + } + +out: + return ret; +} + + void booster_lib_init (void) { @@ -2907,6 +2981,8 @@ booster_lib_init (void) RESOLVE (chdir); RESOLVE (fchdir); RESOLVE (getcwd); + RESOLVE (truncate); + RESOLVE (truncate64); /* This must be called after resolving real functions * above so that the socket based IO calls in libglusterfsclient |