diff options
author | Jaroslav Kysela <perex@perex.cz> | 2010-01-08 09:26:34 +0100 |
---|---|---|
committer | Jaroslav Kysela <perex@perex.cz> | 2010-01-08 09:26:34 +0100 |
commit | 1cb4f624ea38361b6397966470f0a1bed5532483 (patch) | |
tree | 418b05ddc854b09d64f7d5ee0c78875e42b5f151 /fs/sync.c | |
parent | 444c1953d496d272208902ff7010dc70d1f887f0 (diff) | |
parent | 2c1f1895ef2aa8f0e5497893eff71304aef332e1 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into fixes
Diffstat (limited to 'fs/sync.c')
-rw-r--r-- | fs/sync.c | 59 |
1 files changed, 23 insertions, 36 deletions
diff --git a/fs/sync.c b/fs/sync.c index 36752a68348..418727a2a23 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -355,6 +355,7 @@ SYSCALL_DEFINE(sync_file_range)(int fd, loff_t offset, loff_t nbytes, { int ret; struct file *file; + struct address_space *mapping; loff_t endbyte; /* inclusive */ int fput_needed; umode_t i_mode; @@ -405,7 +406,28 @@ SYSCALL_DEFINE(sync_file_range)(int fd, loff_t offset, loff_t nbytes, !S_ISLNK(i_mode)) goto out_put; - ret = do_sync_mapping_range(file->f_mapping, offset, endbyte, flags); + mapping = file->f_mapping; + if (!mapping) { + ret = -EINVAL; + goto out_put; + } + + ret = 0; + if (flags & SYNC_FILE_RANGE_WAIT_BEFORE) { + ret = filemap_fdatawait_range(mapping, offset, endbyte); + if (ret < 0) + goto out_put; + } + + if (flags & SYNC_FILE_RANGE_WRITE) { + ret = filemap_fdatawrite_range(mapping, offset, endbyte); + if (ret < 0) + goto out_put; + } + + if (flags & SYNC_FILE_RANGE_WAIT_AFTER) + ret = filemap_fdatawait_range(mapping, offset, endbyte); + out_put: fput_light(file, fput_needed); out: @@ -437,38 +459,3 @@ asmlinkage long SyS_sync_file_range2(long fd, long flags, } SYSCALL_ALIAS(sys_sync_file_range2, SyS_sync_file_range2); #endif - -/* - * `endbyte' is inclusive - */ -int do_sync_mapping_range(struct address_space *mapping, loff_t offset, - loff_t endbyte, unsigned int flags) -{ - int ret; - - if (!mapping) { - ret = -EINVAL; - goto out; - } - - ret = 0; - if (flags & SYNC_FILE_RANGE_WAIT_BEFORE) { - ret = filemap_fdatawait_range(mapping, offset, endbyte); - if (ret < 0) - goto out; - } - - if (flags & SYNC_FILE_RANGE_WRITE) { - ret = __filemap_fdatawrite_range(mapping, offset, endbyte, - WB_SYNC_ALL); - if (ret < 0) - goto out; - } - - if (flags & SYNC_FILE_RANGE_WAIT_AFTER) { - ret = filemap_fdatawait_range(mapping, offset, endbyte); - } -out: - return ret; -} -EXPORT_SYMBOL_GPL(do_sync_mapping_range); |