diff options
Diffstat (limited to 'fs/minix/inode.c')
| -rw-r--r-- | fs/minix/inode.c | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/fs/minix/inode.c b/fs/minix/inode.c index 2a503ad020d5..df122496f328 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -100,6 +100,11 @@ static int init_inodecache(void) static void destroy_inodecache(void) { + /* + * Make sure all delayed rcu free inodes are flushed before we + * destroy cache. + */ + rcu_barrier(); kmem_cache_destroy(minix_inode_cachep); } @@ -390,6 +395,16 @@ int minix_prepare_chunk(struct page *page, loff_t pos, unsigned len) return __block_write_begin(page, pos, len, minix_get_block); } +static void minix_write_failed(struct address_space *mapping, loff_t to) +{ + struct inode *inode = mapping->host; + + if (to > inode->i_size) { + truncate_pagecache(inode, to, inode->i_size); + minix_truncate(inode); + } +} + static int minix_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) @@ -398,11 +413,8 @@ static int minix_write_begin(struct file *file, struct address_space *mapping, ret = block_write_begin(mapping, pos, len, flags, pagep, minix_get_block); - if (unlikely(ret)) { - loff_t isize = mapping->host->i_size; - if (pos + len > isize) - vmtruncate(mapping->host, isize); - } + if (unlikely(ret)) + minix_write_failed(mapping, pos + len); return ret; } @@ -460,8 +472,8 @@ static struct inode *V1_minix_iget(struct inode *inode) return ERR_PTR(-EIO); } inode->i_mode = raw_inode->i_mode; - inode->i_uid = (uid_t)raw_inode->i_uid; - inode->i_gid = (gid_t)raw_inode->i_gid; + i_uid_write(inode, raw_inode->i_uid); + i_gid_write(inode, raw_inode->i_gid); set_nlink(inode, raw_inode->i_nlinks); inode->i_size = raw_inode->i_size; inode->i_mtime.tv_sec = inode->i_atime.tv_sec = inode->i_ctime.tv_sec = raw_inode->i_time; @@ -493,8 +505,8 @@ static struct inode *V2_minix_iget(struct inode *inode) return ERR_PTR(-EIO); } inode->i_mode = raw_inode->i_mode; - inode->i_uid = (uid_t)raw_inode->i_uid; - inode->i_gid = (gid_t)raw_inode->i_gid; + i_uid_write(inode, raw_inode->i_uid); + i_gid_write(inode, raw_inode->i_gid); set_nlink(inode, raw_inode->i_nlinks); inode->i_size = raw_inode->i_size; inode->i_mtime.tv_sec = raw_inode->i_mtime; @@ -545,8 +557,8 @@ static struct buffer_head * V1_minix_update_inode(struct inode * inode) if (!raw_inode) return NULL; raw_inode->i_mode = inode->i_mode; - raw_inode->i_uid = fs_high2lowuid(inode->i_uid); - raw_inode->i_gid = fs_high2lowgid(inode->i_gid); + raw_inode->i_uid = fs_high2lowuid(i_uid_read(inode)); + raw_inode->i_gid = fs_high2lowgid(i_gid_read(inode)); raw_inode->i_nlinks = inode->i_nlink; raw_inode->i_size = inode->i_size; raw_inode->i_time = inode->i_mtime.tv_sec; @@ -572,8 +584,8 @@ static struct buffer_head * V2_minix_update_inode(struct inode * inode) if (!raw_inode) return NULL; raw_inode->i_mode = inode->i_mode; - raw_inode->i_uid = fs_high2lowuid(inode->i_uid); - raw_inode->i_gid = fs_high2lowgid(inode->i_gid); + raw_inode->i_uid = fs_high2lowuid(i_uid_read(inode)); + raw_inode->i_gid = fs_high2lowgid(i_gid_read(inode)); raw_inode->i_nlinks = inode->i_nlink; raw_inode->i_size = inode->i_size; raw_inode->i_mtime = inode->i_mtime.tv_sec; @@ -648,6 +660,7 @@ static struct file_system_type minix_fs_type = { .kill_sb = kill_block_super, .fs_flags = FS_REQUIRES_DEV, }; +MODULE_ALIAS_FS("minix"); static int __init init_minix_fs(void) { |