From b5fc510c48f631882ccec3c0f02a25d5b67de09f Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 4 Jul 2010 12:24:09 +0400 Subject: [PATCH] get rid of file_fsync() Copy and simplify in the only two users remaining. Signed-off-by: Al Viro --- fs/hfs/inode.c | 26 +++++++++++++++++++++++++- fs/hfsplus/hfsplus_fs.h | 1 + fs/hfsplus/inode.c | 27 ++++++++++++++++++++++++++- fs/hfsplus/super.c | 2 +- fs/sync.c | 25 ------------------------- include/linux/buffer_head.h | 1 - 6 files changed, 53 insertions(+), 29 deletions(-) diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 87de671baa83..93ceec8fbb8f 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -625,6 +625,30 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr) return 0; } +static int hfs_file_fsync(struct file *filp, int datasync) +{ + struct inode *inode = filp->f_mapping->host; + struct super_block * sb; + int ret, err; + + /* sync the inode to buffers */ + ret = write_inode_now(inode, 0); + + /* sync the superblock to buffers */ + sb = inode->i_sb; + if (sb->s_dirt) { + lock_super(sb); + sb->s_dirt = 0; + if (!(sb->s_flags & MS_RDONLY)) + hfs_mdb_commit(sb); + unlock_super(sb); + } + /* .. finally sync the buffers to disk */ + err = sync_blockdev(sb->s_bdev); + if (!ret) + ret = err; + return ret; +} static const struct file_operations hfs_file_operations = { .llseek = generic_file_llseek, @@ -634,7 +658,7 @@ static const struct file_operations hfs_file_operations = { .aio_write = generic_file_aio_write, .mmap = generic_file_mmap, .splice_read = generic_file_splice_read, - .fsync = file_fsync, + .fsync = hfs_file_fsync, .open = hfs_file_open, .release = hfs_file_release, }; diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index 6505c30ad965..dc856be3c2b0 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -351,6 +351,7 @@ int hfsplus_show_options(struct seq_file *, struct vfsmount *); /* super.c */ struct inode *hfsplus_iget(struct super_block *, unsigned long); +int hfsplus_sync_fs(struct super_block *sb, int wait); /* tables.c */ extern u16 hfsplus_case_fold_table[]; diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 654c5a8ddf1c..c5a979d62c65 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -311,6 +311,31 @@ static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr) return 0; } +static int hfsplus_file_fsync(struct file *filp, int datasync) +{ + struct inode *inode = filp->f_mapping->host; + struct super_block * sb; + int ret, err; + + /* sync the inode to buffers */ + ret = write_inode_now(inode, 0); + + /* sync the superblock to buffers */ + sb = inode->i_sb; + if (sb->s_dirt) { + if (!(sb->s_flags & MS_RDONLY)) + hfsplus_sync_fs(sb, 1); + else + sb->s_dirt = 0; + } + + /* .. finally sync the buffers to disk */ + err = sync_blockdev(sb->s_bdev); + if (!ret) + ret = err; + return ret; +} + static const struct inode_operations hfsplus_file_inode_operations = { .lookup = hfsplus_file_lookup, .truncate = hfsplus_file_truncate, @@ -328,7 +353,7 @@ static const struct file_operations hfsplus_file_operations = { .aio_write = generic_file_aio_write, .mmap = generic_file_mmap, .splice_read = generic_file_splice_read, - .fsync = file_fsync, + .fsync = hfsplus_file_fsync, .open = hfsplus_file_open, .release = hfsplus_file_release, .unlocked_ioctl = hfsplus_ioctl, diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index 74b473a8ef92..a32c241e4e45 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -154,7 +154,7 @@ static void hfsplus_clear_inode(struct inode *inode) } } -static int hfsplus_sync_fs(struct super_block *sb, int wait) +int hfsplus_sync_fs(struct super_block *sb, int wait) { struct hfsplus_vh *vhdr = HFSPLUS_SB(sb).s_vhdr; diff --git a/fs/sync.c b/fs/sync.c index 15aa6f03b2da..ba76b9623e7e 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -128,31 +128,6 @@ void emergency_sync(void) } } -/* - * Generic function to fsync a file. - */ -int file_fsync(struct file *filp, int datasync) -{ - struct inode *inode = filp->f_mapping->host; - struct super_block * sb; - int ret, err; - - /* sync the inode to buffers */ - ret = write_inode_now(inode, 0); - - /* sync the superblock to buffers */ - sb = inode->i_sb; - if (sb->s_dirt && sb->s_op->write_super) - sb->s_op->write_super(sb); - - /* .. finally sync the buffers to disk */ - err = sync_blockdev(sb->s_bdev); - if (!ret) - ret = err; - return ret; -} -EXPORT_SYMBOL(file_fsync); - /** * vfs_fsync_range - helper to sync a range of data & metadata to disk * @file: file to sync diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 3f69054f86d9..620f1d1088cb 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -225,7 +225,6 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, void block_sync_page(struct page *); sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *); int block_truncate_page(struct address_space *, loff_t, get_block_t *); -int file_fsync(struct file *, int); int nobh_write_begin(struct address_space *, loff_t, unsigned, unsigned, struct page **, void **, get_block_t*); int nobh_write_end(struct file *, struct address_space *, -- 2.20.1