diff options
| author | OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> | 2013-01-15 04:27:23 +0900 |
|---|---|---|
| committer | Daniel Phillips <daniel@tux3.org> | 2013-01-15 04:27:23 +0900 |
| commit | 6842cbff38c655c70f584d26276a481bcb77a1d8 (patch) | |
| tree | efbd860348e716edaf348830c06181bb41728442 | |
| parent | 5999eb7a5824efb7f5fd109b188a608f1ef41084 (diff) | |
| download | linux-tux3-6842cbff38c655c70f584d26276a481bcb77a1d8.tar.gz | |
tux3: Initial fsync/fdatasync(2) support (same with sync(2))
To benchmark well, this add implementation of fsync/fdatasync(2).
FIXME: Current implementation does same thing with sync(2). We have to
do better.
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
| -rw-r--r-- | fs/tux3/inode.c | 19 | ||||
| -rw-r--r-- | fs/tux3/namei.c | 1 | ||||
| -rw-r--r-- | fs/tux3/tux3.h | 1 |
3 files changed, 20 insertions, 1 deletions
diff --git a/fs/tux3/inode.c b/fs/tux3/inode.c index f2c61057d95cc1..7060d2186d6830 100644 --- a/fs/tux3/inode.c +++ b/fs/tux3/inode.c @@ -732,6 +732,23 @@ void iget_if_dirty(struct inode *inode) atomic_inc(&inode->i_count); } +/* Synchronize changes to a file and directory. */ +int tux3_sync_file(struct file *file, loff_t start, loff_t end, int datasync) +{ + struct inode *inode = file->f_mapping->host; + struct sb *sb = tux_sb(inode->i_sb); + + /* FIXME: this is sync(2). We should implement real one */ + static int print_once; + if (!print_once) { + print_once++; + warn("fsync(2) fall-back to sync(2): %Lx-%Lx, datasync %d", + start, end, datasync); + } + + return force_delta(sb); +} + int tux3_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) { struct inode *inode = dentry->d_inode; @@ -803,7 +820,7 @@ static const struct file_operations tux_file_fops = { #endif .mmap = generic_file_mmap, .open = generic_file_open, -// .fsync = file_fsync, + .fsync = tux3_sync_file, .splice_read = generic_file_splice_read, .splice_write = tux3_file_splice_write, }; diff --git a/fs/tux3/namei.c b/fs/tux3/namei.c index 4d3abd1200b264..53cbe7dfe36b07 100644 --- a/fs/tux3/namei.c +++ b/fs/tux3/namei.c @@ -340,6 +340,7 @@ const struct file_operations tux_dir_fops = { .llseek = generic_file_llseek, .read = generic_read_dir, .readdir = tux_readdir, + .fsync = tux3_sync_file, }; const struct inode_operations tux_dir_iops = { diff --git a/fs/tux3/tux3.h b/fs/tux3/tux3.h index 65b6de47654131..ff615dcd5f4f1c 100644 --- a/fs/tux3/tux3.h +++ b/fs/tux3/tux3.h @@ -632,6 +632,7 @@ extern const struct address_space_operations tux_blk_aops; extern const struct address_space_operations tux_vol_aops; /* inode.c */ +int tux3_sync_file(struct file *file, loff_t start, loff_t end, int datasync); int tux3_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat); int tux3_setattr(struct dentry *dentry, struct iattr *iattr); |