Add unlocked version of inode_add_bytes() function
Quota code requires unlocked version of this function. Off course we can just copy-paste the code, but copy-pasting is always an evil. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Jan Kara <jack@suse.cz>
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c459001fa4
Коммит
b462707e7c
10
fs/stat.c
10
fs/stat.c
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@ -401,9 +401,9 @@ SYSCALL_DEFINE4(fstatat64, int, dfd, char __user *, filename,
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}
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#endif /* __ARCH_WANT_STAT64 */
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void inode_add_bytes(struct inode *inode, loff_t bytes)
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/* Caller is here responsible for sufficient locking (ie. inode->i_lock) */
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void __inode_add_bytes(struct inode *inode, loff_t bytes)
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{
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spin_lock(&inode->i_lock);
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inode->i_blocks += bytes >> 9;
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bytes &= 511;
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inode->i_bytes += bytes;
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@ -411,6 +411,12 @@ void inode_add_bytes(struct inode *inode, loff_t bytes)
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inode->i_blocks++;
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inode->i_bytes -= 512;
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}
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}
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void inode_add_bytes(struct inode *inode, loff_t bytes)
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{
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spin_lock(&inode->i_lock);
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__inode_add_bytes(inode, bytes);
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spin_unlock(&inode->i_lock);
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}
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@ -2297,6 +2297,7 @@ extern const struct inode_operations page_symlink_inode_operations;
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extern int generic_readlink(struct dentry *, char __user *, int);
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extern void generic_fillattr(struct inode *, struct kstat *);
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extern int vfs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
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void __inode_add_bytes(struct inode *inode, loff_t bytes);
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void inode_add_bytes(struct inode *inode, loff_t bytes);
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void inode_sub_bytes(struct inode *inode, loff_t bytes);
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loff_t inode_get_bytes(struct inode *inode);
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