errseq: rename __errseq_set to errseq_set (3acdfd28) · Commits · 戴 / test

include/linux/errseq.h

+1 −8

Original line number	Diff line number	Diff line
		@@ -5,14 +5,7 @@

		typedef u32 errseq_t;

		errseq_t __errseq_set(errseq_t *eseq, int err);
		static inline void errseq_set(errseq_t *eseq, int err)
		{
		/* Optimize for the common case of no error */
		if (unlikely(err))
		__errseq_set(eseq, err);
		}

		errseq_t errseq_set(errseq_t *eseq, int err);
		errseq_t errseq_sample(errseq_t *eseq);
		int errseq_check(errseq_t *eseq, errseq_t since);
		int errseq_check_and_advance(errseq_t eseq, errseq_t since);

+7 −10

Original line number	Diff line number	Diff line
		@@ -41,23 +41,20 @@
		#define ERRSEQ_CTR_INC (1 << (ERRSEQ_SHIFT + 1))

		/**
		* __errseq_set - set a errseq_t for later reporting
		* errseq_set - set a errseq_t for later reporting
		* @eseq: errseq_t field that should be set
		* @err: error to set
		* @err: error to set (must be between -1 and -MAX_ERRNO)
		*
		* This function sets the error in *eseq, and increments the sequence counter
		* if the last sequence was sampled at some point in the past.
		*
		* Any error set will always overwrite an existing error.
		*
		* Most callers will want to use the errseq_set inline wrapper to efficiently
		* handle the common case where err is 0.
		*
		* We do return an errseq_t here, primarily for debugging purposes. The return
		* value should not be used as a previously sampled value in later calls as it
		* will not have the SEEN flag set.
		* We do return the latest value here, primarily for debugging purposes. The
		* return value should not be used as a previously sampled value in later calls
		* as it will not have the SEEN flag set.
		*/
		errseq_t __errseq_set(errseq_t *eseq, int err)
		errseq_t errseq_set(errseq_t *eseq, int err)
		{
		errseq_t cur, old;

		@@ -107,7 +104,7 @@ errseq_t __errseq_set(errseq_t *eseq, int err)
		}
		return cur;
		}
		EXPORT_SYMBOL(__errseq_set);
		EXPORT_SYMBOL(errseq_set);

		/**
		* errseq_sample - grab current errseq_t value

+1 −1

Original line number	Diff line number	Diff line
		@@ -589,7 +589,7 @@ EXPORT_SYMBOL(filemap_write_and_wait_range);

		void __filemap_set_wb_err(struct address_space *mapping, int err)
		{
		errseq_t eseq = __errseq_set(&mapping->wb_err, err);
		errseq_t eseq = errseq_set(&mapping->wb_err, err);

		trace_filemap_set_wb_err(mapping, eseq);
		}