diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-05-31 14:55:35 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-06-05 11:10:14 -0600 |
| commit | 2577f53f42947d8ca01666e3444bb7307319ea38 (patch) | |
| tree | be5089fffcde54a8a98156a92c9fd3e90448f99f /block | |
| parent | 8d03187ee7328af8e18ef1782289e0b034e75485 (diff) | |
| download | lwn-2577f53f42947d8ca01666e3444bb7307319ea38.tar.gz lwn-2577f53f42947d8ca01666e3444bb7307319ea38.zip | |
block: mark early_lookup_bdev as __init
early_lookup_bdev is now only used during the early boot code as it
should, so mark it __init to not waste run time memory on it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230531125535.676098-25-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/early-lookup.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/block/early-lookup.c b/block/early-lookup.c index 6016e781b6a0..3ff0d2e4dcbf 100644 --- a/block/early-lookup.c +++ b/block/early-lookup.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* * Code for looking up block devices in the early boot code before mounting the - * root file system. Unfortunately currently also abused in a few other places. + * root file system. */ #include <linux/blkdev.h> #include <linux/ctype.h> @@ -18,7 +18,7 @@ struct uuidcmp { * * Returns 1 if the device matches, and 0 otherwise. */ -static int match_dev_by_uuid(struct device *dev, const void *data) +static int __init match_dev_by_uuid(struct device *dev, const void *data) { struct block_device *bdev = dev_to_bdev(dev); const struct uuidcmp *cmp = data; @@ -42,7 +42,7 @@ static int match_dev_by_uuid(struct device *dev, const void *data) * * Returns the matching dev_t on success or 0 on failure. */ -static int devt_from_partuuid(const char *uuid_str, dev_t *devt) +static int __init devt_from_partuuid(const char *uuid_str, dev_t *devt) { struct uuidcmp cmp; struct device *dev = NULL; @@ -98,7 +98,7 @@ out_invalid: * * Returns 1 if the device matches, and 0 otherwise. */ -static int match_dev_by_label(struct device *dev, const void *data) +static int __init match_dev_by_label(struct device *dev, const void *data) { struct block_device *bdev = dev_to_bdev(dev); const char *label = data; @@ -108,7 +108,7 @@ static int match_dev_by_label(struct device *dev, const void *data) return 1; } -static int devt_from_partlabel(const char *label, dev_t *devt) +static int __init devt_from_partlabel(const char *label, dev_t *devt) { struct device *dev; @@ -120,7 +120,7 @@ static int devt_from_partlabel(const char *label, dev_t *devt) return 0; } -static dev_t blk_lookup_devt(const char *name, int partno) +static dev_t __init blk_lookup_devt(const char *name, int partno) { dev_t devt = MKDEV(0, 0); struct class_dev_iter iter; @@ -149,7 +149,7 @@ static dev_t blk_lookup_devt(const char *name, int partno) return devt; } -static int devt_from_devname(const char *name, dev_t *devt) +static int __init devt_from_devname(const char *name, dev_t *devt) { int part; char s[32]; @@ -193,7 +193,7 @@ static int devt_from_devname(const char *name, dev_t *devt) return -EINVAL; } -static int devt_from_devnum(const char *name, dev_t *devt) +static int __init devt_from_devnum(const char *name, dev_t *devt) { unsigned maj, min, offset; char *p, dummy; @@ -240,7 +240,7 @@ static int devt_from_devnum(const char *name, dev_t *devt) * name contains slashes, the device name has them replaced with * bangs. */ -int early_lookup_bdev(const char *name, dev_t *devt) +int __init early_lookup_bdev(const char *name, dev_t *devt) { if (strncmp(name, "PARTUUID=", 9) == 0) return devt_from_partuuid(name + 9, devt); @@ -250,7 +250,6 @@ int early_lookup_bdev(const char *name, dev_t *devt) return devt_from_devname(name + 5, devt); return devt_from_devnum(name, devt); } -EXPORT_SYMBOL_GPL(early_lookup_bdev); static char __init *bdevt_str(dev_t devt, char *buf) { |